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Finding the Fourth Proportional to 147,758.30, 221,572.65 and 58,982.30

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Solution

The fourth proportional to 147,758.30, 221,572.65 and 58,982.30 is: 88,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,758.30 : 221,572.65 = 58,982.30 : x
  2. Step 2: Convert to fraction form
    147,758.30/221,572.65 = 58,982.30/x
  3. Step 3: Cross multiply
    147,758.30x = 221,572.65 × 58,982.30
  4. Step 4: Simplify right side
    147,758.30x = 13,068,864,514.10
  5. Step 5: Solve for x
    x = 13,068,864,514.10/147,758.30
  6. Step 6: Final answer
    x = 88,447.58

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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.