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Finding the Fourth Proportional to 73,641.76, 101,603.28 and 41,810.08

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Solution

The fourth proportional to 73,641.76, 101,603.28 and 41,810.08 is: 57,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.76 : 101,603.28 = 41,810.08 : x
  2. Step 2: Convert to fraction form
    73,641.76/101,603.28 = 41,810.08/x
  3. Step 3: Cross multiply
    73,641.76x = 101,603.28 × 41,810.08
  4. Step 4: Simplify right side
    73,641.76x = 4,248,041,265.06
  5. Step 5: Solve for x
    x = 4,248,041,265.06/73,641.76
  6. Step 6: Final answer
    x = 57,685.22

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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.