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Finding the Fourth Proportional to 295,909.04, 408,333.48 and 168,561.20

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Solution

The fourth proportional to 295,909.04, 408,333.48 and 168,561.20 is: 232,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,909.04 : 408,333.48 = 168,561.20 : x
  2. Step 2: Convert to fraction form
    295,909.04/408,333.48 = 168,561.20/x
  3. Step 3: Cross multiply
    295,909.04x = 408,333.48 × 168,561.20
  4. Step 4: Simplify right side
    295,909.04x = 68,829,181,388.98
  5. Step 5: Solve for x
    x = 68,829,181,388.98/295,909.04
  6. Step 6: Final answer
    x = 232,602.50

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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.