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Finding the Fourth Proportional to 215,254.72, 322,878.48 and 96,842.24

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Solution

The fourth proportional to 215,254.72, 322,878.48 and 96,842.24 is: 145,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,254.72 : 322,878.48 = 96,842.24 : x
  2. Step 2: Convert to fraction form
    215,254.72/322,878.48 = 96,842.24/x
  3. Step 3: Cross multiply
    215,254.72x = 322,878.48 × 96,842.24
  4. Step 4: Simplify right side
    215,254.72x = 31,268,275,251.00
  5. Step 5: Solve for x
    x = 31,268,275,251.00/215,254.72
  6. Step 6: Final answer
    x = 145,261.74

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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.