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Finding the Fourth Proportional to 170,697.83, 256,059.05 and 65,516.80

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Solution

The fourth proportional to 170,697.83, 256,059.05 and 65,516.80 is: 98,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,697.83 : 256,059.05 = 65,516.80 : x
  2. Step 2: Convert to fraction form
    170,697.83/256,059.05 = 65,516.80/x
  3. Step 3: Cross multiply
    170,697.83x = 256,059.05 × 65,516.80
  4. Step 4: Simplify right side
    170,697.83x = 16,776,169,808.03
  5. Step 5: Solve for x
    x = 16,776,169,808.03/170,697.83
  6. Step 6: Final answer
    x = 98,279.92

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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.