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Finding the Fourth Proportional to 123,886.92, 170,960.04 and 70,176.92

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Solution

The fourth proportional to 123,886.92, 170,960.04 and 70,176.92 is: 96,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,886.92 : 170,960.04 = 70,176.92 : x
  2. Step 2: Convert to fraction form
    123,886.92/170,960.04 = 70,176.92/x
  3. Step 3: Cross multiply
    123,886.92x = 170,960.04 × 70,176.92
  4. Step 4: Simplify right side
    123,886.92x = 11,997,449,050.28
  5. Step 5: Solve for x
    x = 11,997,449,050.28/123,886.92
  6. Step 6: Final answer
    x = 96,841.93

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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.