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Finding the Fourth Proportional to 124,675.40, 172,053.42 and 68,088.44

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Solution

The fourth proportional to 124,675.40, 172,053.42 and 68,088.44 is: 93,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,675.40 : 172,053.42 = 68,088.44 : x
  2. Step 2: Convert to fraction form
    124,675.40/172,053.42 = 68,088.44/x
  3. Step 3: Cross multiply
    124,675.40x = 172,053.42 × 68,088.44
  4. Step 4: Simplify right side
    124,675.40x = 11,714,848,964.46
  5. Step 5: Solve for x
    x = 11,714,848,964.46/124,675.40
  6. Step 6: Final answer
    x = 93,962.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.