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Finding the Fourth Proportional to 201,065,123.90, 301,597,685.85 and 124,537,619.90

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Solution

The fourth proportional to 201,065,123.90, 301,597,685.85 and 124,537,619.90 is: 186,806,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,065,123.90 : 301,597,685.85 = 124,537,619.90 : x
  2. Step 2: Convert to fraction form
    201,065,123.90/301,597,685.85 = 124,537,619.90/x
  3. Step 3: Cross multiply
    201,065,123.90x = 301,597,685.85 × 124,537,619.90
  4. Step 4: Simplify right side
    201,065,123.90x = 37,560,257,963,106,912
  5. Step 5: Solve for x
    x = 37,560,257,963,106,912/201,065,123.90
  6. Step 6: Final answer
    x = 186,806,429.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.