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Finding the Fourth Proportional to 132,045.60, 198,068.40 and 132,045.60

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Solution

The fourth proportional to 132,045.60, 198,068.40 and 132,045.60 is: 198,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,045.60 : 198,068.40 = 132,045.60 : x
  2. Step 2: Convert to fraction form
    132,045.60/198,068.40 = 132,045.60/x
  3. Step 3: Cross multiply
    132,045.60x = 198,068.40 × 132,045.60
  4. Step 4: Simplify right side
    132,045.60x = 26,154,060,719.04
  5. Step 5: Solve for x
    x = 26,154,060,719.04/132,045.60
  6. Step 6: Final answer
    x = 198,068.40

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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.