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Finding the Fourth Proportional to 104,650, 144,430.08 and 59,938

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Solution

The fourth proportional to 104,650, 144,430.08 and 59,938 is: 82,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,650 : 144,430.08 = 59,938 : x
  2. Step 2: Convert to fraction form
    104,650/144,430.08 = 59,938/x
  3. Step 3: Cross multiply
    104,650x = 144,430.08 × 59,938
  4. Step 4: Simplify right side
    104,650x = 8,656,850,135.04
  5. Step 5: Solve for x
    x = 8,656,850,135.04/104,650
  6. Step 6: Final answer
    x = 82,721.93

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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.