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Finding the Fourth Proportional to 251,343.42, 377,283.71 and 101,681.54

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Solution

The fourth proportional to 251,343.42, 377,283.71 and 101,681.54 is: 152,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,343.42 : 377,283.71 = 101,681.54 : x
  2. Step 2: Convert to fraction form
    251,343.42/377,283.71 = 101,681.54/x
  3. Step 3: Cross multiply
    251,343.42x = 377,283.71 × 101,681.54
  4. Step 4: Simplify right side
    251,343.42x = 38,362,788,649.71
  5. Step 5: Solve for x
    x = 38,362,788,649.71/251,343.42
  6. Step 6: Final answer
    x = 152,630.96

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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.