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Finding the Fourth Proportional to 247,303.04, 341,264.68 and 139,894.61

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Solution

The fourth proportional to 247,303.04, 341,264.68 and 139,894.61 is: 193,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,303.04 : 341,264.68 = 139,894.61 : x
  2. Step 2: Convert to fraction form
    247,303.04/341,264.68 = 139,894.61/x
  3. Step 3: Cross multiply
    247,303.04x = 341,264.68 × 139,894.61
  4. Step 4: Simplify right side
    247,303.04x = 47,741,087,259.31
  5. Step 5: Solve for x
    x = 47,741,087,259.31/247,303.04
  6. Step 6: Final answer
    x = 193,046.91

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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.