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Finding the Fourth Proportional to 247,165.60, 341,214.96 and 156,615.52

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Solution

The fourth proportional to 247,165.60, 341,214.96 and 156,615.52 is: 216,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,165.60 : 341,214.96 = 156,615.52 : x
  2. Step 2: Convert to fraction form
    247,165.60/341,214.96 = 156,615.52/x
  3. Step 3: Cross multiply
    247,165.60x = 341,214.96 × 156,615.52
  4. Step 4: Simplify right side
    247,165.60x = 53,439,558,392.18
  5. Step 5: Solve for x
    x = 53,439,558,392.18/247,165.60
  6. Step 6: Final answer
    x = 216,209.53

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1.5x scale

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.