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Finding the Fourth Proportional to 234,153.55, 351,191.03 and 84,365.92

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Solution

The fourth proportional to 234,153.55, 351,191.03 and 84,365.92 is: 126,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,153.55 : 351,191.03 = 84,365.92 : x
  2. Step 2: Convert to fraction form
    234,153.55/351,191.03 = 84,365.92/x
  3. Step 3: Cross multiply
    234,153.55x = 351,191.03 × 84,365.92
  4. Step 4: Simplify right side
    234,153.55x = 29,628,552,585.74
  5. Step 5: Solve for x
    x = 29,628,552,585.74/234,153.55
  6. Step 6: Final answer
    x = 126,534.72

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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.