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Finding the Fourth Proportional to 219,648.60, 329,254.20 and 101,113.20

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Solution

The fourth proportional to 219,648.60, 329,254.20 and 101,113.20 is: 151,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,648.60 : 329,254.20 = 101,113.20 : x
  2. Step 2: Convert to fraction form
    219,648.60/329,254.20 = 101,113.20/x
  3. Step 3: Cross multiply
    219,648.60x = 329,254.20 × 101,113.20
  4. Step 4: Simplify right side
    219,648.60x = 33,291,945,775.44
  5. Step 5: Solve for x
    x = 33,291,945,775.44/219,648.60
  6. Step 6: Final answer
    x = 151,569.12

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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.