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Finding the Fourth Proportional to 260,354.61, 359,186.70 and 163,501.50

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Solution

The fourth proportional to 260,354.61, 359,186.70 and 163,501.50 is: 225,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,354.61 : 359,186.70 = 163,501.50 : x
  2. Step 2: Convert to fraction form
    260,354.61/359,186.70 = 163,501.50/x
  3. Step 3: Cross multiply
    260,354.61x = 359,186.70 × 163,501.50
  4. Step 4: Simplify right side
    260,354.61x = 58,727,564,230.05
  5. Step 5: Solve for x
    x = 58,727,564,230.05/260,354.61
  6. Step 6: Final answer
    x = 225,567.60

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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.