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Finding the Fourth Proportional to 126,312.66, 174,311.43 and 69,724.02

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Solution

The fourth proportional to 126,312.66, 174,311.43 and 69,724.02 is: 96,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,312.66 : 174,311.43 = 69,724.02 : x
  2. Step 2: Convert to fraction form
    126,312.66/174,311.43 = 69,724.02/x
  3. Step 3: Cross multiply
    126,312.66x = 174,311.43 × 69,724.02
  4. Step 4: Simplify right side
    126,312.66x = 12,153,693,631.55
  5. Step 5: Solve for x
    x = 12,153,693,631.55/126,312.66
  6. Step 6: Final answer
    x = 96,219.13

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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.