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Finding the Fourth Proportional to 261,752.16, 392,623.92 and 64,760.16

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Solution

The fourth proportional to 261,752.16, 392,623.92 and 64,760.16 is: 97,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,752.16 : 392,623.92 = 64,760.16 : x
  2. Step 2: Convert to fraction form
    261,752.16/392,623.92 = 64,760.16/x
  3. Step 3: Cross multiply
    261,752.16x = 392,623.92 × 64,760.16
  4. Step 4: Simplify right side
    261,752.16x = 25,426,387,879.03
  5. Step 5: Solve for x
    x = 25,426,387,879.03/261,752.16
  6. Step 6: Final answer
    x = 97,139.17

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