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Finding the Fourth Proportional to 156,224.76, 215,609.22 and 88,244.70

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Solution

The fourth proportional to 156,224.76, 215,609.22 and 88,244.70 is: 121,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,224.76 : 215,609.22 = 88,244.70 : x
  2. Step 2: Convert to fraction form
    156,224.76/215,609.22 = 88,244.70/x
  3. Step 3: Cross multiply
    156,224.76x = 215,609.22 × 88,244.70
  4. Step 4: Simplify right side
    156,224.76x = 19,026,370,936.13
  5. Step 5: Solve for x
    x = 19,026,370,936.13/156,224.76
  6. Step 6: Final answer
    x = 121,788.45

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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.