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Finding the Fourth Proportional to 73,248.48, 101,081.92 and 39,713.76

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Solution

The fourth proportional to 73,248.48, 101,081.92 and 39,713.76 is: 54,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,248.48 : 101,081.92 = 39,713.76 : x
  2. Step 2: Convert to fraction form
    73,248.48/101,081.92 = 39,713.76/x
  3. Step 3: Cross multiply
    73,248.48x = 101,081.92 × 39,713.76
  4. Step 4: Simplify right side
    73,248.48x = 4,014,343,111.22
  5. Step 5: Solve for x
    x = 4,014,343,111.22/73,248.48
  6. Step 6: Final answer
    x = 54,804.46

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1.5x scale

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.