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Finding the Fourth Proportional to 136,565.60, 204,848.40 and 127,234.40

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Solution

The fourth proportional to 136,565.60, 204,848.40 and 127,234.40 is: 190,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,565.60 : 204,848.40 = 127,234.40 : x
  2. Step 2: Convert to fraction form
    136,565.60/204,848.40 = 127,234.40/x
  3. Step 3: Cross multiply
    136,565.60x = 204,848.40 × 127,234.40
  4. Step 4: Simplify right side
    136,565.60x = 26,063,763,264.96
  5. Step 5: Solve for x
    x = 26,063,763,264.96/136,565.60
  6. Step 6: Final answer
    x = 190,851.60

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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.