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Finding the Fourth Proportional to 92,894.13, 139,305.53 and 39,552.29

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Solution

The fourth proportional to 92,894.13, 139,305.53 and 39,552.29 is: 59,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,894.13 : 139,305.53 = 39,552.29 : x
  2. Step 2: Convert to fraction form
    92,894.13/139,305.53 = 39,552.29/x
  3. Step 3: Cross multiply
    92,894.13x = 139,305.53 × 39,552.29
  4. Step 4: Simplify right side
    92,894.13x = 5,509,852,645.91
  5. Step 5: Solve for x
    x = 5,509,852,645.91/92,894.13
  6. Step 6: Final answer
    x = 59,313.25

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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.