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Finding the Fourth Proportional to 92,575.47, 138,868.05 and 29,400.63

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Solution

The fourth proportional to 92,575.47, 138,868.05 and 29,400.63 is: 44,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,575.47 : 138,868.05 = 29,400.63 : x
  2. Step 2: Convert to fraction form
    92,575.47/138,868.05 = 29,400.63/x
  3. Step 3: Cross multiply
    92,575.47x = 138,868.05 × 29,400.63
  4. Step 4: Simplify right side
    92,575.47x = 4,082,808,156.87
  5. Step 5: Solve for x
    x = 4,082,808,156.87/92,575.47
  6. Step 6: Final answer
    x = 44,102.48

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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.