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Finding the Fourth Proportional to 160,225.92, 240,364.80 and 66,741.12

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Solution

The fourth proportional to 160,225.92, 240,364.80 and 66,741.12 is: 100,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,225.92 : 240,364.80 = 66,741.12 : x
  2. Step 2: Convert to fraction form
    160,225.92/240,364.80 = 66,741.12/x
  3. Step 3: Cross multiply
    160,225.92x = 240,364.80 × 66,741.12
  4. Step 4: Simplify right side
    160,225.92x = 16,042,215,960.58
  5. Step 5: Solve for x
    x = 16,042,215,960.58/160,225.92
  6. Step 6: Final answer
    x = 100,122.48

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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.