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Finding the Fourth Proportional to 94,601.86, 130,545.86 and 53,760.66

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Solution

The fourth proportional to 94,601.86, 130,545.86 and 53,760.66 is: 74,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,601.86 : 130,545.86 = 53,760.66 : x
  2. Step 2: Convert to fraction form
    94,601.86/130,545.86 = 53,760.66/x
  3. Step 3: Cross multiply
    94,601.86x = 130,545.86 × 53,760.66
  4. Step 4: Simplify right side
    94,601.86x = 7,018,232,099.04
  5. Step 5: Solve for x
    x = 7,018,232,099.04/94,601.86
  6. Step 6: Final answer
    x = 74,187.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.