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Finding the Fourth Proportional to 123,238.59, 170,029.49 and 97,314.84

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Solution

The fourth proportional to 123,238.59, 170,029.49 and 97,314.84 is: 134,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,238.59 : 170,029.49 = 97,314.84 : x
  2. Step 2: Convert to fraction form
    123,238.59/170,029.49 = 97,314.84/x
  3. Step 3: Cross multiply
    123,238.59x = 170,029.49 × 97,314.84
  4. Step 4: Simplify right side
    123,238.59x = 16,546,392,614.63
  5. Step 5: Solve for x
    x = 16,546,392,614.63/123,238.59
  6. Step 6: Final answer
    x = 134,263.08

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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.