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Finding the Fourth Proportional to 177,807.92, 245,379.20 and 101,325.38

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Solution

The fourth proportional to 177,807.92, 245,379.20 and 101,325.38 is: 139,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,807.92 : 245,379.20 = 101,325.38 : x
  2. Step 2: Convert to fraction form
    177,807.92/245,379.20 = 101,325.38/x
  3. Step 3: Cross multiply
    177,807.92x = 245,379.20 × 101,325.38
  4. Step 4: Simplify right side
    177,807.92x = 24,863,138,950.57
  5. Step 5: Solve for x
    x = 24,863,138,950.57/177,807.92
  6. Step 6: Final answer
    x = 139,831.45

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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.