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Finding the Fourth Proportional to 123,417, 170,314.14 and 69,701.04

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Solution

The fourth proportional to 123,417, 170,314.14 and 69,701.04 is: 96,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,417 : 170,314.14 = 69,701.04 : x
  2. Step 2: Convert to fraction form
    123,417/170,314.14 = 69,701.04/x
  3. Step 3: Cross multiply
    123,417x = 170,314.14 × 69,701.04
  4. Step 4: Simplify right side
    123,417x = 11,871,072,684.71
  5. Step 5: Solve for x
    x = 11,871,072,684.71/123,417
  6. Step 6: Final answer
    x = 96,186.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.