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Finding the Fourth Proportional to 104,865, 144,713.70 and 60,167.40

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Solution

The fourth proportional to 104,865, 144,713.70 and 60,167.40 is: 83,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,865 : 144,713.70 = 60,167.40 : x
  2. Step 2: Convert to fraction form
    104,865/144,713.70 = 60,167.40/x
  3. Step 3: Cross multiply
    104,865x = 144,713.70 × 60,167.40
  4. Step 4: Simplify right side
    104,865x = 8,707,047,073.38
  5. Step 5: Solve for x
    x = 8,707,047,073.38/104,865
  6. Step 6: Final answer
    x = 83,031.01

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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.