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Finding the Fourth Proportional to 170,342.65, 235,078.20 and 97,758.82

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Solution

The fourth proportional to 170,342.65, 235,078.20 and 97,758.82 is: 134,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,342.65 : 235,078.20 = 97,758.82 : x
  2. Step 2: Convert to fraction form
    170,342.65/235,078.20 = 97,758.82/x
  3. Step 3: Cross multiply
    170,342.65x = 235,078.20 × 97,758.82
  4. Step 4: Simplify right side
    170,342.65x = 22,980,967,439.72
  5. Step 5: Solve for x
    x = 22,980,967,439.72/170,342.65
  6. Step 6: Final answer
    x = 134,910.24

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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.