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Finding the Fourth Proportional to 221,437.60, 332,156.24 and 73,693.60

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Solution

The fourth proportional to 221,437.60, 332,156.24 and 73,693.60 is: 110,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,437.60 : 332,156.24 = 73,693.60 : x
  2. Step 2: Convert to fraction form
    221,437.60/332,156.24 = 73,693.60/x
  3. Step 3: Cross multiply
    221,437.60x = 332,156.24 × 73,693.60
  4. Step 4: Simplify right side
    221,437.60x = 24,477,789,088.06
  5. Step 5: Solve for x
    x = 24,477,789,088.06/221,437.60
  6. Step 6: Final answer
    x = 110,540.35

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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.