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Finding the Fourth Proportional to 134,570.60, 201,807.30 and 67,988.60

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Solution

The fourth proportional to 134,570.60, 201,807.30 and 67,988.60 is: 101,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,570.60 : 201,807.30 = 67,988.60 : x
  2. Step 2: Convert to fraction form
    134,570.60/201,807.30 = 67,988.60/x
  3. Step 3: Cross multiply
    134,570.60x = 201,807.30 × 67,988.60
  4. Step 4: Simplify right side
    134,570.60x = 13,720,595,796.78
  5. Step 5: Solve for x
    x = 13,720,595,796.78/134,570.60
  6. Step 6: Final answer
    x = 101,958.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.