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Finding the Fourth Proportional to 159,612.16, 238,826.84 and 127,926.12

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Solution

The fourth proportional to 159,612.16, 238,826.84 and 127,926.12 is: 191,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,612.16 : 238,826.84 = 127,926.12 : x
  2. Step 2: Convert to fraction form
    159,612.16/238,826.84 = 127,926.12/x
  3. Step 3: Cross multiply
    159,612.16x = 238,826.84 × 127,926.12
  4. Step 4: Simplify right side
    159,612.16x = 30,552,189,798.93
  5. Step 5: Solve for x
    x = 30,552,189,798.93/159,612.16
  6. Step 6: Final answer
    x = 191,415.18

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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.