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Finding the Fourth Proportional to 73,775.47, 101,818.03 and 45,111.93

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Solution

The fourth proportional to 73,775.47, 101,818.03 and 45,111.93 is: 62,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,775.47 : 101,818.03 = 45,111.93 : x
  2. Step 2: Convert to fraction form
    73,775.47/101,818.03 = 45,111.93/x
  3. Step 3: Cross multiply
    73,775.47x = 101,818.03 × 45,111.93
  4. Step 4: Simplify right side
    73,775.47x = 4,593,207,842.10
  5. Step 5: Solve for x
    x = 4,593,207,842.10/73,775.47
  6. Step 6: Final answer
    x = 62,259.28

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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.