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Finding the Fourth Proportional to 60,102.42, 83,009.40 and 40,948.95

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Solution

The fourth proportional to 60,102.42, 83,009.40 and 40,948.95 is: 56,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,102.42 : 83,009.40 = 40,948.95 : x
  2. Step 2: Convert to fraction form
    60,102.42/83,009.40 = 40,948.95/x
  3. Step 3: Cross multiply
    60,102.42x = 83,009.40 × 40,948.95
  4. Step 4: Simplify right side
    60,102.42x = 3,399,147,770.13
  5. Step 5: Solve for x
    x = 3,399,147,770.13/60,102.42
  6. Step 6: Final answer
    x = 56,555.92

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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.