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Finding the Fourth Proportional to 260,355.61, 359,188.08 and 163,502.50

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Solution

The fourth proportional to 260,355.61, 359,188.08 and 163,502.50 is: 225,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,355.61 : 359,188.08 = 163,502.50 : x
  2. Step 2: Convert to fraction form
    260,355.61/359,188.08 = 163,502.50/x
  3. Step 3: Cross multiply
    260,355.61x = 359,188.08 × 163,502.50
  4. Step 4: Simplify right side
    260,355.61x = 58,728,149,050.20
  5. Step 5: Solve for x
    x = 58,728,149,050.20/260,355.61
  6. Step 6: Final answer
    x = 225,568.98

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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.