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Finding the Fourth Proportional to 137,804,590.60, 206,706,885.90 and 96,989,921.80

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Solution

The fourth proportional to 137,804,590.60, 206,706,885.90 and 96,989,921.80 is: 145,484,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,804,590.60 : 206,706,885.90 = 96,989,921.80 : x
  2. Step 2: Convert to fraction form
    137,804,590.60/206,706,885.90 = 96,989,921.80/x
  3. Step 3: Cross multiply
    137,804,590.60x = 206,706,885.90 × 96,989,921.80
  4. Step 4: Simplify right side
    137,804,590.60x = 20,048,484,698,962,524
  5. Step 5: Solve for x
    x = 20,048,484,698,962,524/137,804,590.60
  6. Step 6: Final answer
    x = 145,484,882.70

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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.