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Finding the Fourth Proportional to 73,217.88, 101,041.28 and 39,683.88

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Solution

The fourth proportional to 73,217.88, 101,041.28 and 39,683.88 is: 54,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,217.88 : 101,041.28 = 39,683.88 : x
  2. Step 2: Convert to fraction form
    73,217.88/101,041.28 = 39,683.88/x
  3. Step 3: Cross multiply
    73,217.88x = 101,041.28 × 39,683.88
  4. Step 4: Simplify right side
    73,217.88x = 4,009,710,030.57
  5. Step 5: Solve for x
    x = 4,009,710,030.57/73,217.88
  6. Step 6: Final answer
    x = 54,764.08

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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.