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Finding the Fourth Proportional to 229,035.96, 316,134.30 and 161,068.86

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Solution

The fourth proportional to 229,035.96, 316,134.30 and 161,068.86 is: 222,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,035.96 : 316,134.30 = 161,068.86 : x
  2. Step 2: Convert to fraction form
    229,035.96/316,134.30 = 161,068.86/x
  3. Step 3: Cross multiply
    229,035.96x = 316,134.30 × 161,068.86
  4. Step 4: Simplify right side
    229,035.96x = 50,919,391,307.90
  5. Step 5: Solve for x
    x = 50,919,391,307.90/229,035.96
  6. Step 6: Final answer
    x = 222,320.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.