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Finding the Fourth Proportional to 153,402.60, 229,715.10 and 146,404.20

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Solution

The fourth proportional to 153,402.60, 229,715.10 and 146,404.20 is: 219,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,402.60 : 229,715.10 = 146,404.20 : x
  2. Step 2: Convert to fraction form
    153,402.60/229,715.10 = 146,404.20/x
  3. Step 3: Cross multiply
    153,402.60x = 229,715.10 × 146,404.20
  4. Step 4: Simplify right side
    153,402.60x = 33,631,255,443.42
  5. Step 5: Solve for x
    x = 33,631,255,443.42/153,402.60
  6. Step 6: Final answer
    x = 219,235.24

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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.