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Finding the Fourth Proportional to 123,294.60, 170,145.88 and 69,597.07

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Solution

The fourth proportional to 123,294.60, 170,145.88 and 69,597.07 is: 96,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,294.60 : 170,145.88 = 69,597.07 : x
  2. Step 2: Convert to fraction form
    123,294.60/170,145.88 = 69,597.07/x
  3. Step 3: Cross multiply
    123,294.60x = 170,145.88 × 69,597.07
  4. Step 4: Simplify right side
    123,294.60x = 11,841,654,720.57
  5. Step 5: Solve for x
    x = 11,841,654,720.57/123,294.60
  6. Step 6: Final answer
    x = 96,043.58

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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.