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Finding the Fourth Proportional to 118,565.40, 177,787.30 and 35,448.60

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Solution

The fourth proportional to 118,565.40, 177,787.30 and 35,448.60 is: 53,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565.40 : 177,787.30 = 35,448.60 : x
  2. Step 2: Convert to fraction form
    118,565.40/177,787.30 = 35,448.60/x
  3. Step 3: Cross multiply
    118,565.40x = 177,787.30 × 35,448.60
  4. Step 4: Simplify right side
    118,565.40x = 6,302,310,882.78
  5. Step 5: Solve for x
    x = 6,302,310,882.78/118,565.40
  6. Step 6: Final answer
    x = 53,154.72

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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.