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Finding the Fourth Proportional to 221,462.10, 332,193.15 and 153,810.90

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Solution

The fourth proportional to 221,462.10, 332,193.15 and 153,810.90 is: 230,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,462.10 : 332,193.15 = 153,810.90 : x
  2. Step 2: Convert to fraction form
    221,462.10/332,193.15 = 153,810.90/x
  3. Step 3: Cross multiply
    221,462.10x = 332,193.15 × 153,810.90
  4. Step 4: Simplify right side
    221,462.10x = 51,094,927,375.34
  5. Step 5: Solve for x
    x = 51,094,927,375.34/221,462.10
  6. Step 6: Final answer
    x = 230,716.35

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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.