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Finding the Fourth Proportional to 170,141.66, 255,024.55 and 70,246.78

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Solution

The fourth proportional to 170,141.66, 255,024.55 and 70,246.78 is: 105,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,141.66 : 255,024.55 = 70,246.78 : x
  2. Step 2: Convert to fraction form
    170,141.66/255,024.55 = 70,246.78/x
  3. Step 3: Cross multiply
    170,141.66x = 255,024.55 × 70,246.78
  4. Step 4: Simplify right side
    170,141.66x = 17,914,653,458.45
  5. Step 5: Solve for x
    x = 17,914,653,458.45/170,141.66
  6. Step 6: Final answer
    x = 105,292.57

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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.