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Finding the Fourth Proportional to 132,305.16, 198,457.02 and 48,065.16

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Solution

The fourth proportional to 132,305.16, 198,457.02 and 48,065.16 is: 72,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,305.16 : 198,457.02 = 48,065.16 : x
  2. Step 2: Convert to fraction form
    132,305.16/198,457.02 = 48,065.16/x
  3. Step 3: Cross multiply
    132,305.16x = 198,457.02 × 48,065.16
  4. Step 4: Simplify right side
    132,305.16x = 9,538,868,419.42
  5. Step 5: Solve for x
    x = 9,538,868,419.42/132,305.16
  6. Step 6: Final answer
    x = 72,097.48

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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.