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Finding the Fourth Proportional to 132,615.60, 198,923.40 and 53,732.40

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Solution

The fourth proportional to 132,615.60, 198,923.40 and 53,732.40 is: 80,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,615.60 : 198,923.40 = 53,732.40 : x
  2. Step 2: Convert to fraction form
    132,615.60/198,923.40 = 53,732.40/x
  3. Step 3: Cross multiply
    132,615.60x = 198,923.40 × 53,732.40
  4. Step 4: Simplify right side
    132,615.60x = 10,688,631,698.16
  5. Step 5: Solve for x
    x = 10,688,631,698.16/132,615.60
  6. Step 6: Final answer
    x = 80,598.60

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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.