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Finding the Fourth Proportional to 221,597.28, 332,395.92 and 103,351.32

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Solution

The fourth proportional to 221,597.28, 332,395.92 and 103,351.32 is: 155,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,597.28 : 332,395.92 = 103,351.32 : x
  2. Step 2: Convert to fraction form
    221,597.28/332,395.92 = 103,351.32/x
  3. Step 3: Cross multiply
    221,597.28x = 332,395.92 × 103,351.32
  4. Step 4: Simplify right side
    221,597.28x = 34,353,557,094.61
  5. Step 5: Solve for x
    x = 34,353,557,094.61/221,597.28
  6. Step 6: Final answer
    x = 155,026.98

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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.