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Finding the Fourth Proportional to 69,468.72, 95,831.88 and 45,592.08

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Solution

The fourth proportional to 69,468.72, 95,831.88 and 45,592.08 is: 62,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,468.72 : 95,831.88 = 45,592.08 : x
  2. Step 2: Convert to fraction form
    69,468.72/95,831.88 = 45,592.08/x
  3. Step 3: Cross multiply
    69,468.72x = 95,831.88 × 45,592.08
  4. Step 4: Simplify right side
    69,468.72x = 4,369,174,739.51
  5. Step 5: Solve for x
    x = 4,369,174,739.51/69,468.72
  6. Step 6: Final answer
    x = 62,894.13

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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.