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Finding the Fourth Proportional to 94,813.88, 130,831.61 and 52,372.71

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Solution

The fourth proportional to 94,813.88, 130,831.61 and 52,372.71 is: 72,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,813.88 : 130,831.61 = 52,372.71 : x
  2. Step 2: Convert to fraction form
    94,813.88/130,831.61 = 52,372.71/x
  3. Step 3: Cross multiply
    94,813.88x = 130,831.61 × 52,372.71
  4. Step 4: Simplify right side
    94,813.88x = 6,852,005,707.50
  5. Step 5: Solve for x
    x = 6,852,005,707.50/94,813.88
  6. Step 6: Final answer
    x = 72,267.96

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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.