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Finding the Fourth Proportional to 155,551.61, 214,673.04 and 94,315.61

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Solution

The fourth proportional to 155,551.61, 214,673.04 and 94,315.61 is: 130,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,551.61 : 214,673.04 = 94,315.61 : x
  2. Step 2: Convert to fraction form
    155,551.61/214,673.04 = 94,315.61/x
  3. Step 3: Cross multiply
    155,551.61x = 214,673.04 × 94,315.61
  4. Step 4: Simplify right side
    155,551.61x = 20,247,018,718.15
  5. Step 5: Solve for x
    x = 20,247,018,718.15/155,551.61
  6. Step 6: Final answer
    x = 130,162.71

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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.