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Finding the Fourth Proportional to 60,414,794.40, 90,472,892.40 and 40,110,103.20

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Solution

The fourth proportional to 60,414,794.40, 90,472,892.40 and 40,110,103.20 is: 60,066,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,414,794.40 : 90,472,892.40 = 40,110,103.20 : x
  2. Step 2: Convert to fraction form
    60,414,794.40/90,472,892.40 = 40,110,103.20/x
  3. Step 3: Cross multiply
    60,414,794.40x = 90,472,892.40 × 40,110,103.20
  4. Step 4: Simplify right side
    60,414,794.40x = 3,628,877,050,966,496
  5. Step 5: Solve for x
    x = 3,628,877,050,966,496/60,414,794.40
  6. Step 6: Final answer
    x = 60,066,033.28

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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.