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Finding the Fourth Proportional to 169,451.49, 254,177.70 and 69,541.59

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Solution

The fourth proportional to 169,451.49, 254,177.70 and 69,541.59 is: 104,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,451.49 : 254,177.70 = 69,541.59 : x
  2. Step 2: Convert to fraction form
    169,451.49/254,177.70 = 69,541.59/x
  3. Step 3: Cross multiply
    169,451.49x = 254,177.70 × 69,541.59
  4. Step 4: Simplify right side
    169,451.49x = 17,675,920,663.18
  5. Step 5: Solve for x
    x = 17,675,920,663.18/169,451.49
  6. Step 6: Final answer
    x = 104,312.57

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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.