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Finding the Fourth Proportional to 267,010.56, 368,566.56 and 153,878.40

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Solution

The fourth proportional to 267,010.56, 368,566.56 and 153,878.40 is: 212,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,010.56 : 368,566.56 = 153,878.40 : x
  2. Step 2: Convert to fraction form
    267,010.56/368,566.56 = 153,878.40/x
  3. Step 3: Cross multiply
    267,010.56x = 368,566.56 × 153,878.40
  4. Step 4: Simplify right side
    267,010.56x = 56,714,432,546.30
  5. Step 5: Solve for x
    x = 56,714,432,546.30/267,010.56
  6. Step 6: Final answer
    x = 212,405.20

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1.5x scale

Why These Related Problems?

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