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Finding the Fourth Proportional to 60,868.76, 84,022.29 and 54,484.07

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Solution

The fourth proportional to 60,868.76, 84,022.29 and 54,484.07 is: 75,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,868.76 : 84,022.29 = 54,484.07 : x
  2. Step 2: Convert to fraction form
    60,868.76/84,022.29 = 54,484.07/x
  3. Step 3: Cross multiply
    60,868.76x = 84,022.29 × 54,484.07
  4. Step 4: Simplify right side
    60,868.76x = 4,577,875,909.81
  5. Step 5: Solve for x
    x = 4,577,875,909.81/60,868.76
  6. Step 6: Final answer
    x = 75,208.96

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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.