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Finding the Fourth Proportional to 310,862,892.80, 466,294,339.20 and 95,424,147.20

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Solution

The fourth proportional to 310,862,892.80, 466,294,339.20 and 95,424,147.20 is: 143,136,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,862,892.80 : 466,294,339.20 = 95,424,147.20 : x
  2. Step 2: Convert to fraction form
    310,862,892.80/466,294,339.20 = 95,424,147.20/x
  3. Step 3: Cross multiply
    310,862,892.80x = 466,294,339.20 × 95,424,147.20
  4. Step 4: Simplify right side
    310,862,892.80x = 44,495,739,662,347,528
  5. Step 5: Solve for x
    x = 44,495,739,662,347,528/310,862,892.80
  6. Step 6: Final answer
    x = 143,136,220.80

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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.