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Finding the Fourth Proportional to 103,663.17, 143,066.78 and 58,352.17

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Solution

The fourth proportional to 103,663.17, 143,066.78 and 58,352.17 is: 80,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,663.17 : 143,066.78 = 58,352.17 : x
  2. Step 2: Convert to fraction form
    103,663.17/143,066.78 = 58,352.17/x
  3. Step 3: Cross multiply
    103,663.17x = 143,066.78 × 58,352.17
  4. Step 4: Simplify right side
    103,663.17x = 8,348,257,067.91
  5. Step 5: Solve for x
    x = 8,348,257,067.91/103,663.17
  6. Step 6: Final answer
    x = 80,532.53

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1.5x scale

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.