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Finding the Fourth Proportional to 60,725,701.70, 91,088,552.55 and 54,868,040.90

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Solution

The fourth proportional to 60,725,701.70, 91,088,552.55 and 54,868,040.90 is: 82,302,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,725,701.70 : 91,088,552.55 = 54,868,040.90 : x
  2. Step 2: Convert to fraction form
    60,725,701.70/91,088,552.55 = 54,868,040.90/x
  3. Step 3: Cross multiply
    60,725,701.70x = 91,088,552.55 × 54,868,040.90
  4. Step 4: Simplify right side
    60,725,701.70x = 4,997,850,426,835,199
  5. Step 5: Solve for x
    x = 4,997,850,426,835,199/60,725,701.70
  6. Step 6: Final answer
    x = 82,302,061.35

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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.