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Finding the Fourth Proportional to 92,393.01, 138,560.34 and 58,635.45

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Solution

The fourth proportional to 92,393.01, 138,560.34 and 58,635.45 is: 87,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,393.01 : 138,560.34 = 58,635.45 : x
  2. Step 2: Convert to fraction form
    92,393.01/138,560.34 = 58,635.45/x
  3. Step 3: Cross multiply
    92,393.01x = 138,560.34 × 58,635.45
  4. Step 4: Simplify right side
    92,393.01x = 8,124,547,888.05
  5. Step 5: Solve for x
    x = 8,124,547,888.05/92,393.01
  6. Step 6: Final answer
    x = 87,934.66

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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.