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Finding the Fourth Proportional to 123,767.59, 170,769.99 and 70,052.60

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Solution

The fourth proportional to 123,767.59, 170,769.99 and 70,052.60 is: 96,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,767.59 : 170,769.99 = 70,052.60 : x
  2. Step 2: Convert to fraction form
    123,767.59/170,769.99 = 70,052.60/x
  3. Step 3: Cross multiply
    123,767.59x = 170,769.99 × 70,052.60
  4. Step 4: Simplify right side
    123,767.59x = 11,962,881,801.47
  5. Step 5: Solve for x
    x = 11,962,881,801.47/123,767.59
  6. Step 6: Final answer
    x = 96,656.01

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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.