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Finding the Fourth Proportional to 132,426.34, 182,744.50 and 75,070.98

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Solution

The fourth proportional to 132,426.34, 182,744.50 and 75,070.98 is: 103,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,426.34 : 182,744.50 = 75,070.98 : x
  2. Step 2: Convert to fraction form
    132,426.34/182,744.50 = 75,070.98/x
  3. Step 3: Cross multiply
    132,426.34x = 182,744.50 × 75,070.98
  4. Step 4: Simplify right side
    132,426.34x = 13,718,808,704.61
  5. Step 5: Solve for x
    x = 13,718,808,704.61/132,426.34
  6. Step 6: Final answer
    x = 103,595.77

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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.