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Finding the Fourth Proportional to 103,676,404, 155,539,800.24 and 31,872,820

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Solution

The fourth proportional to 103,676,404, 155,539,800.24 and 31,872,820 is: 47,816,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,676,404 : 155,539,800.24 = 31,872,820 : x
  2. Step 2: Convert to fraction form
    103,676,404/155,539,800.24 = 31,872,820/x
  3. Step 3: Cross multiply
    103,676,404x = 155,539,800.24 × 31,872,820
  4. Step 4: Simplify right side
    103,676,404x = 4,957,492,055,885,477
  5. Step 5: Solve for x
    x = 4,957,492,055,885,477/103,676,404
  6. Step 6: Final answer
    x = 47,816,975.36

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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.