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Finding the Fourth Proportional to 169,603.52, 254,072.75 and 98,376.53

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Solution

The fourth proportional to 169,603.52, 254,072.75 and 98,376.53 is: 147,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,603.52 : 254,072.75 = 98,376.53 : x
  2. Step 2: Convert to fraction form
    169,603.52/254,072.75 = 98,376.53/x
  3. Step 3: Cross multiply
    169,603.52x = 254,072.75 × 98,376.53
  4. Step 4: Simplify right side
    169,603.52x = 24,994,793,750.31
  5. Step 5: Solve for x
    x = 24,994,793,750.31/169,603.52
  6. Step 6: Final answer
    x = 147,371.91

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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.