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Finding the Fourth Proportional to 170,707.39, 256,175.35 and 70,867.67

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Solution

The fourth proportional to 170,707.39, 256,175.35 and 70,867.67 is: 106,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,707.39 : 256,175.35 = 70,867.67 : x
  2. Step 2: Convert to fraction form
    170,707.39/256,175.35 = 70,867.67/x
  3. Step 3: Cross multiply
    170,707.39x = 256,175.35 × 70,867.67
  4. Step 4: Simplify right side
    170,707.39x = 18,154,548,707.89
  5. Step 5: Solve for x
    x = 18,154,548,707.89/170,707.39
  6. Step 6: Final answer
    x = 106,348.93

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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.