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Finding the Fourth Proportional to 178,547.44, 267,836.88 and 66,228.88

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Solution

The fourth proportional to 178,547.44, 267,836.88 and 66,228.88 is: 99,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,547.44 : 267,836.88 = 66,228.88 : x
  2. Step 2: Convert to fraction form
    178,547.44/267,836.88 = 66,228.88/x
  3. Step 3: Cross multiply
    178,547.44x = 267,836.88 × 66,228.88
  4. Step 4: Simplify right side
    178,547.44x = 17,738,536,585.09
  5. Step 5: Solve for x
    x = 17,738,536,585.09/178,547.44
  6. Step 6: Final answer
    x = 99,349.15

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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.