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Finding the Fourth Proportional to 178,372.13, 267,369.66 and 65,980.17

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Solution

The fourth proportional to 178,372.13, 267,369.66 and 65,980.17 is: 98,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,372.13 : 267,369.66 = 65,980.17 : x
  2. Step 2: Convert to fraction form
    178,372.13/267,369.66 = 65,980.17/x
  3. Step 3: Cross multiply
    178,372.13x = 267,369.66 × 65,980.17
  4. Step 4: Simplify right side
    178,372.13x = 17,641,095,619.64
  5. Step 5: Solve for x
    x = 17,641,095,619.64/178,372.13
  6. Step 6: Final answer
    x = 98,900.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.