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Finding the Fourth Proportional to 114,543.20, 171,523.20 and 109,294.40

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Solution

The fourth proportional to 114,543.20, 171,523.20 and 109,294.40 is: 163,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,543.20 : 171,523.20 = 109,294.40 : x
  2. Step 2: Convert to fraction form
    114,543.20/171,523.20 = 109,294.40/x
  3. Step 3: Cross multiply
    114,543.20x = 171,523.20 × 109,294.40
  4. Step 4: Simplify right side
    114,543.20x = 18,746,525,230.08
  5. Step 5: Solve for x
    x = 18,746,525,230.08/114,543.20
  6. Step 6: Final answer
    x = 163,663.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.