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Finding the Fourth Proportional to 170,314.70, 235,039.20 and 93,838.64

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Solution

The fourth proportional to 170,314.70, 235,039.20 and 93,838.64 is: 129,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,314.70 : 235,039.20 = 93,838.64 : x
  2. Step 2: Convert to fraction form
    170,314.70/235,039.20 = 93,838.64/x
  3. Step 3: Cross multiply
    170,314.70x = 235,039.20 × 93,838.64
  4. Step 4: Simplify right side
    170,314.70x = 22,055,758,874.69
  5. Step 5: Solve for x
    x = 22,055,758,874.69/170,314.70
  6. Step 6: Final answer
    x = 129,500.03

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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.