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Finding the Fourth Proportional to 201,901,167.80, 302,851,751.70 and 200,625,709.40

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Solution

The fourth proportional to 201,901,167.80, 302,851,751.70 and 200,625,709.40 is: 300,938,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,901,167.80 : 302,851,751.70 = 200,625,709.40 : x
  2. Step 2: Convert to fraction form
    201,901,167.80/302,851,751.70 = 200,625,709.40/x
  3. Step 3: Cross multiply
    201,901,167.80x = 302,851,751.70 × 200,625,709.40
  4. Step 4: Simplify right side
    201,901,167.80x = 60,759,847,527,845,152
  5. Step 5: Solve for x
    x = 60,759,847,527,845,152/201,901,167.80
  6. Step 6: Final answer
    x = 300,938,564.10

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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.