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Finding the Fourth Proportional to 257,080.68, 354,680.10 and 167,501.16

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Solution

The fourth proportional to 257,080.68, 354,680.10 and 167,501.16 is: 231,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,080.68 : 354,680.10 = 167,501.16 : x
  2. Step 2: Convert to fraction form
    257,080.68/354,680.10 = 167,501.16/x
  3. Step 3: Cross multiply
    257,080.68x = 354,680.10 × 167,501.16
  4. Step 4: Simplify right side
    257,080.68x = 59,409,328,178.92
  5. Step 5: Solve for x
    x = 59,409,328,178.92/257,080.68
  6. Step 6: Final answer
    x = 231,092.15

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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.