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Finding the Fourth Proportional to 248,906.60, 343,511.52 and 141,510.32

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Solution

The fourth proportional to 248,906.60, 343,511.52 and 141,510.32 is: 195,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,906.60 : 343,511.52 = 141,510.32 : x
  2. Step 2: Convert to fraction form
    248,906.60/343,511.52 = 141,510.32/x
  3. Step 3: Cross multiply
    248,906.60x = 343,511.52 × 141,510.32
  4. Step 4: Simplify right side
    248,906.60x = 48,610,425,118.89
  5. Step 5: Solve for x
    x = 48,610,425,118.89/248,906.60
  6. Step 6: Final answer
    x = 195,295.85

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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.