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Finding the Fourth Proportional to 103,337.67, 142,569.30 and 67,548.33

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Solution

The fourth proportional to 103,337.67, 142,569.30 and 67,548.33 is: 93,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,337.67 : 142,569.30 = 67,548.33 : x
  2. Step 2: Convert to fraction form
    103,337.67/142,569.30 = 67,548.33/x
  3. Step 3: Cross multiply
    103,337.67x = 142,569.30 × 67,548.33
  4. Step 4: Simplify right side
    103,337.67x = 9,630,318,124.27
  5. Step 5: Solve for x
    x = 9,630,318,124.27/103,337.67
  6. Step 6: Final answer
    x = 93,192.72

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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.