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Finding the Fourth Proportional to 86,888.34, 130,331.16 and 27,723.65

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Solution

The fourth proportional to 86,888.34, 130,331.16 and 27,723.65 is: 41,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,888.34 : 130,331.16 = 27,723.65 : x
  2. Step 2: Convert to fraction form
    86,888.34/130,331.16 = 27,723.65/x
  3. Step 3: Cross multiply
    86,888.34x = 130,331.16 × 27,723.65
  4. Step 4: Simplify right side
    86,888.34x = 3,613,254,812.28
  5. Step 5: Solve for x
    x = 3,613,254,812.28/86,888.34
  6. Step 6: Final answer
    x = 41,585.04

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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.