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Finding the Fourth Proportional to 108,266.65, 149,411.28 and 60,522.01

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Solution

The fourth proportional to 108,266.65, 149,411.28 and 60,522.01 is: 83,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,266.65 : 149,411.28 = 60,522.01 : x
  2. Step 2: Convert to fraction form
    108,266.65/149,411.28 = 60,522.01/x
  3. Step 3: Cross multiply
    108,266.65x = 149,411.28 × 60,522.01
  4. Step 4: Simplify right side
    108,266.65x = 9,042,670,608.74
  5. Step 5: Solve for x
    x = 9,042,670,608.74/108,266.65
  6. Step 6: Final answer
    x = 83,522.22

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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.