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Finding the Fourth Proportional to 127,670.40, 176,186.88 and 71,083.20

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Solution

The fourth proportional to 127,670.40, 176,186.88 and 71,083.20 is: 98,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,670.40 : 176,186.88 = 71,083.20 : x
  2. Step 2: Convert to fraction form
    127,670.40/176,186.88 = 71,083.20/x
  3. Step 3: Cross multiply
    127,670.40x = 176,186.88 × 71,083.20
  4. Step 4: Simplify right side
    127,670.40x = 12,523,927,228.42
  5. Step 5: Solve for x
    x = 12,523,927,228.42/127,670.40
  6. Step 6: Final answer
    x = 98,095.78

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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.