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Finding the Fourth Proportional to 243,679.32, 365,518.98 and 160,553.88

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Solution

The fourth proportional to 243,679.32, 365,518.98 and 160,553.88 is: 240,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,679.32 : 365,518.98 = 160,553.88 : x
  2. Step 2: Convert to fraction form
    243,679.32/365,518.98 = 160,553.88/x
  3. Step 3: Cross multiply
    243,679.32x = 365,518.98 × 160,553.88
  4. Step 4: Simplify right side
    243,679.32x = 58,685,490,452.64
  5. Step 5: Solve for x
    x = 58,685,490,452.64/243,679.32
  6. Step 6: Final answer
    x = 240,830.82

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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.