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Finding the Fourth Proportional to 61,941,701.80, 92,912,552.70 and 54,049,802.95

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Solution

The fourth proportional to 61,941,701.80, 92,912,552.70 and 54,049,802.95 is: 81,074,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,941,701.80 : 92,912,552.70 = 54,049,802.95 : x
  2. Step 2: Convert to fraction form
    61,941,701.80/92,912,552.70 = 54,049,802.95/x
  3. Step 3: Cross multiply
    61,941,701.80x = 92,912,552.70 × 54,049,802.95
  4. Step 4: Simplify right side
    61,941,701.80x = 5,021,905,165,016,491
  5. Step 5: Solve for x
    x = 5,021,905,165,016,491/61,941,701.80
  6. Step 6: Final answer
    x = 81,074,704.43

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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.