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Finding the Fourth Proportional to 109,363.65, 150,921.81 and 59,062.65

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Solution

The fourth proportional to 109,363.65, 150,921.81 and 59,062.65 is: 81,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,363.65 : 150,921.81 = 59,062.65 : x
  2. Step 2: Convert to fraction form
    109,363.65/150,921.81 = 59,062.65/x
  3. Step 3: Cross multiply
    109,363.65x = 150,921.81 × 59,062.65
  4. Step 4: Simplify right side
    109,363.65x = 8,913,842,041.40
  5. Step 5: Solve for x
    x = 8,913,842,041.40/109,363.65
  6. Step 6: Final answer
    x = 81,506.44

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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.