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Finding the Fourth Proportional to 185,468.64, 277,831.92 and 85,492.08

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Solution

The fourth proportional to 185,468.64, 277,831.92 and 85,492.08 is: 128,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,468.64 : 277,831.92 = 85,492.08 : x
  2. Step 2: Convert to fraction form
    185,468.64/277,831.92 = 85,492.08/x
  3. Step 3: Cross multiply
    185,468.64x = 277,831.92 × 85,492.08
  4. Step 4: Simplify right side
    185,468.64x = 23,752,428,731.19
  5. Step 5: Solve for x
    x = 23,752,428,731.19/185,468.64
  6. Step 6: Final answer
    x = 128,067.09

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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.