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Finding the Fourth Proportional to 73,376.01, 101,258.51 and 39,842.01

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Solution

The fourth proportional to 73,376.01, 101,258.51 and 39,842.01 is: 54,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,376.01 : 101,258.51 = 39,842.01 : x
  2. Step 2: Convert to fraction form
    73,376.01/101,258.51 = 39,842.01/x
  3. Step 3: Cross multiply
    73,376.01x = 101,258.51 × 39,842.01
  4. Step 4: Simplify right side
    73,376.01x = 4,034,342,368.80
  5. Step 5: Solve for x
    x = 4,034,342,368.80/73,376.01
  6. Step 6: Final answer
    x = 54,981.76

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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.