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Finding the Fourth Proportional to 125,152.16, 172,684.09 and 71,454.65

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Solution

The fourth proportional to 125,152.16, 172,684.09 and 71,454.65 is: 98,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,152.16 : 172,684.09 = 71,454.65 : x
  2. Step 2: Convert to fraction form
    125,152.16/172,684.09 = 71,454.65/x
  3. Step 3: Cross multiply
    125,152.16x = 172,684.09 × 71,454.65
  4. Step 4: Simplify right side
    125,152.16x = 12,339,081,211.52
  5. Step 5: Solve for x
    x = 12,339,081,211.52/125,152.16
  6. Step 6: Final answer
    x = 98,592.63

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