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Finding the Fourth Proportional to 266,359,880.68, 399,571,836.54 and 93,801,031.72

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Solution

The fourth proportional to 266,359,880.68, 399,571,836.54 and 93,801,031.72 is: 140,712,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,359,880.68 : 399,571,836.54 = 93,801,031.72 : x
  2. Step 2: Convert to fraction form
    266,359,880.68/399,571,836.54 = 93,801,031.72/x
  3. Step 3: Cross multiply
    266,359,880.68x = 399,571,836.54 × 93,801,031.72
  4. Step 4: Simplify right side
    266,359,880.68x = 37,480,250,513,707,200
  5. Step 5: Solve for x
    x = 37,480,250,513,707,200/266,359,880.68
  6. Step 6: Final answer
    x = 140,712,822.13

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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.