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Finding the Fourth Proportional to 165,056.60, 247,584.90 and 153,902.90

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Solution

The fourth proportional to 165,056.60, 247,584.90 and 153,902.90 is: 230,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,056.60 : 247,584.90 = 153,902.90 : x
  2. Step 2: Convert to fraction form
    165,056.60/247,584.90 = 153,902.90/x
  3. Step 3: Cross multiply
    165,056.60x = 247,584.90 × 153,902.90
  4. Step 4: Simplify right side
    165,056.60x = 38,104,034,106.21
  5. Step 5: Solve for x
    x = 38,104,034,106.21/165,056.60
  6. Step 6: Final answer
    x = 230,854.35

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1.5x scale

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.