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Finding the Fourth Proportional to 93,041.88, 139,562.88 and 40,422.66

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Solution

The fourth proportional to 93,041.88, 139,562.88 and 40,422.66 is: 60,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,041.88 : 139,562.88 = 40,422.66 : x
  2. Step 2: Convert to fraction form
    93,041.88/139,562.88 = 40,422.66/x
  3. Step 3: Cross multiply
    93,041.88x = 139,562.88 × 40,422.66
  4. Step 4: Simplify right side
    93,041.88x = 5,641,502,846.86
  5. Step 5: Solve for x
    x = 5,641,502,846.86/93,041.88
  6. Step 6: Final answer
    x = 60,634.02

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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.