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Finding the Fourth Proportional to 158,874.24, 238,345.62 and 53,690.88

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Solution

The fourth proportional to 158,874.24, 238,345.62 and 53,690.88 is: 80,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,874.24 : 238,345.62 = 53,690.88 : x
  2. Step 2: Convert to fraction form
    158,874.24/238,345.62 = 53,690.88/x
  3. Step 3: Cross multiply
    158,874.24x = 238,345.62 × 53,690.88
  4. Step 4: Simplify right side
    158,874.24x = 12,796,986,081.95
  5. Step 5: Solve for x
    x = 12,796,986,081.95/158,874.24
  6. Step 6: Final answer
    x = 80,547.90

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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.