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Finding the Fourth Proportional to 118,193.60, 176,998.80 and 88,450.40

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Solution

The fourth proportional to 118,193.60, 176,998.80 and 88,450.40 is: 132,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,193.60 : 176,998.80 = 88,450.40 : x
  2. Step 2: Convert to fraction form
    118,193.60/176,998.80 = 88,450.40/x
  3. Step 3: Cross multiply
    118,193.60x = 176,998.80 × 88,450.40
  4. Step 4: Simplify right side
    118,193.60x = 15,655,614,659.52
  5. Step 5: Solve for x
    x = 15,655,614,659.52/118,193.60
  6. Step 6: Final answer
    x = 132,457.38

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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.