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Finding the Fourth Proportional to 105,363.66, 158,045.62 and 43,034.16

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Solution

The fourth proportional to 105,363.66, 158,045.62 and 43,034.16 is: 64,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,363.66 : 158,045.62 = 43,034.16 : x
  2. Step 2: Convert to fraction form
    105,363.66/158,045.62 = 43,034.16/x
  3. Step 3: Cross multiply
    105,363.66x = 158,045.62 × 43,034.16
  4. Step 4: Simplify right side
    105,363.66x = 6,801,360,498.38
  5. Step 5: Solve for x
    x = 6,801,360,498.38/105,363.66
  6. Step 6: Final answer
    x = 64,551.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.