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Finding the Fourth Proportional to 170,714.96, 256,073.40 and 65,508.56

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Solution

The fourth proportional to 170,714.96, 256,073.40 and 65,508.56 is: 98,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,714.96 : 256,073.40 = 65,508.56 : x
  2. Step 2: Convert to fraction form
    170,714.96/256,073.40 = 65,508.56/x
  3. Step 3: Cross multiply
    170,714.96x = 256,073.40 × 65,508.56
  4. Step 4: Simplify right side
    170,714.96x = 16,774,999,688.30
  5. Step 5: Solve for x
    x = 16,774,999,688.30/170,714.96
  6. Step 6: Final answer
    x = 98,263.21

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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.