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Finding the Fourth Proportional to 123,924.68, 171,016.63 and 70,220.17

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Solution

The fourth proportional to 123,924.68, 171,016.63 and 70,220.17 is: 96,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,924.68 : 171,016.63 = 70,220.17 : x
  2. Step 2: Convert to fraction form
    123,924.68/171,016.63 = 70,220.17/x
  3. Step 3: Cross multiply
    123,924.68x = 171,016.63 × 70,220.17
  4. Step 4: Simplify right side
    123,924.68x = 12,008,815,907.68
  5. Step 5: Solve for x
    x = 12,008,815,907.68/123,924.68
  6. Step 6: Final answer
    x = 96,904.15

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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.