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Finding the Fourth Proportional to 260,849.32, 359,970.18 and 147,671.08

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Solution

The fourth proportional to 260,849.32, 359,970.18 and 147,671.08 is: 203,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,849.32 : 359,970.18 = 147,671.08 : x
  2. Step 2: Convert to fraction form
    260,849.32/359,970.18 = 147,671.08/x
  3. Step 3: Cross multiply
    260,849.32x = 359,970.18 × 147,671.08
  4. Step 4: Simplify right side
    260,849.32x = 53,157,185,248.39
  5. Step 5: Solve for x
    x = 53,157,185,248.39/260,849.32
  6. Step 6: Final answer
    x = 203,785.03

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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.