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Finding the Fourth Proportional to 178,881.91, 246,856.22 and 102,400.59

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Solution

The fourth proportional to 178,881.91, 246,856.22 and 102,400.59 is: 141,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,881.91 : 246,856.22 = 102,400.59 : x
  2. Step 2: Convert to fraction form
    178,881.91/246,856.22 = 102,400.59/x
  3. Step 3: Cross multiply
    178,881.91x = 246,856.22 × 102,400.59
  4. Step 4: Simplify right side
    178,881.91x = 25,278,220,826.89
  5. Step 5: Solve for x
    x = 25,278,220,826.89/178,881.91
  6. Step 6: Final answer
    x = 141,312.34

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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.