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Finding the Fourth Proportional to 125,252.10, 187,831.47 and 50,347.00

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Solution

The fourth proportional to 125,252.10, 187,831.47 and 50,347.00 is: 75,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,252.10 : 187,831.47 = 50,347.00 : x
  2. Step 2: Convert to fraction form
    125,252.10/187,831.47 = 50,347.00/x
  3. Step 3: Cross multiply
    125,252.10x = 187,831.47 × 50,347.00
  4. Step 4: Simplify right side
    125,252.10x = 9,456,751,443.68
  5. Step 5: Solve for x
    x = 9,456,751,443.68/125,252.10
  6. Step 6: Final answer
    x = 75,501.74

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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.