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Finding the Fourth Proportional to 61,889,546.40, 92,834,319.60 and 16,451,340.90

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Solution

The fourth proportional to 61,889,546.40, 92,834,319.60 and 16,451,340.90 is: 24,677,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,889,546.40 : 92,834,319.60 = 16,451,340.90 : x
  2. Step 2: Convert to fraction form
    61,889,546.40/92,834,319.60 = 16,451,340.90/x
  3. Step 3: Cross multiply
    61,889,546.40x = 92,834,319.60 × 16,451,340.90
  4. Step 4: Simplify right side
    61,889,546.40x = 1,527,249,038,959,151.50
  5. Step 5: Solve for x
    x = 1,527,249,038,959,151.50/61,889,546.40
  6. Step 6: Final answer
    x = 24,677,011.35

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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.