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Finding the Fourth Proportional to 73,060.48, 100,823.04 and 39,525.76

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Solution

The fourth proportional to 73,060.48, 100,823.04 and 39,525.76 is: 54,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,060.48 : 100,823.04 = 39,525.76 : x
  2. Step 2: Convert to fraction form
    73,060.48/100,823.04 = 39,525.76/x
  3. Step 3: Cross multiply
    73,060.48x = 100,823.04 × 39,525.76
  4. Step 4: Simplify right side
    73,060.48x = 3,985,107,281.51
  5. Step 5: Solve for x
    x = 3,985,107,281.51/73,060.48
  6. Step 6: Final answer
    x = 54,545.32

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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.