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Finding the Fourth Proportional to 102,363.41, 153,472.42 and 39,130.26

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Solution

The fourth proportional to 102,363.41, 153,472.42 and 39,130.26 is: 58,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,363.41 : 153,472.42 = 39,130.26 : x
  2. Step 2: Convert to fraction form
    102,363.41/153,472.42 = 39,130.26/x
  3. Step 3: Cross multiply
    102,363.41x = 153,472.42 × 39,130.26
  4. Step 4: Simplify right side
    102,363.41x = 6,005,415,170.82
  5. Step 5: Solve for x
    x = 6,005,415,170.82/102,363.41
  6. Step 6: Final answer
    x = 58,667.59

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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.