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Finding the Fourth Proportional to 91,341,950.20, 137,012,925.30 and 91,341,950.20

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Solution

The fourth proportional to 91,341,950.20, 137,012,925.30 and 91,341,950.20 is: 137,012,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,341,950.20 : 137,012,925.30 = 91,341,950.20 : x
  2. Step 2: Convert to fraction form
    91,341,950.20/137,012,925.30 = 91,341,950.20/x
  3. Step 3: Cross multiply
    91,341,950.20x = 137,012,925.30 × 91,341,950.20
  4. Step 4: Simplify right side
    91,341,950.20x = 12,515,027,799,508,922
  5. Step 5: Solve for x
    x = 12,515,027,799,508,922/91,341,950.20
  6. Step 6: Final answer
    x = 137,012,925.30

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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.