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Finding the Fourth Proportional to 134,488.60, 201,732.90 and 45,842.20

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Solution

The fourth proportional to 134,488.60, 201,732.90 and 45,842.20 is: 68,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,488.60 : 201,732.90 = 45,842.20 : x
  2. Step 2: Convert to fraction form
    134,488.60/201,732.90 = 45,842.20/x
  3. Step 3: Cross multiply
    134,488.60x = 201,732.90 × 45,842.20
  4. Step 4: Simplify right side
    134,488.60x = 9,247,879,948.38
  5. Step 5: Solve for x
    x = 9,247,879,948.38/134,488.60
  6. Step 6: Final answer
    x = 68,763.30

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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.