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Finding the Fourth Proportional to 235,602.06, 353,344.70 and 67,123.85

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Solution

The fourth proportional to 235,602.06, 353,344.70 and 67,123.85 is: 100,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,602.06 : 353,344.70 = 67,123.85 : x
  2. Step 2: Convert to fraction form
    235,602.06/353,344.70 = 67,123.85/x
  3. Step 3: Cross multiply
    235,602.06x = 353,344.70 × 67,123.85
  4. Step 4: Simplify right side
    235,602.06x = 23,717,854,538.75
  5. Step 5: Solve for x
    x = 23,717,854,538.75/235,602.06
  6. Step 6: Final answer
    x = 100,669.13

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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.