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Finding the Fourth Proportional to 108,098.18, 161,060.02 and 102,062.06

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Solution

The fourth proportional to 108,098.18, 161,060.02 and 102,062.06 is: 152,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,098.18 : 161,060.02 = 102,062.06 : x
  2. Step 2: Convert to fraction form
    108,098.18/161,060.02 = 102,062.06/x
  3. Step 3: Cross multiply
    108,098.18x = 161,060.02 × 102,062.06
  4. Step 4: Simplify right side
    108,098.18x = 16,438,117,424.84
  5. Step 5: Solve for x
    x = 16,438,117,424.84/108,098.18
  6. Step 6: Final answer
    x = 152,066.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.