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Finding the Fourth Proportional to 174,432.80, 261,130.80 and 155,770.40

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Solution

The fourth proportional to 174,432.80, 261,130.80 and 155,770.40 is: 233,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,432.80 : 261,130.80 = 155,770.40 : x
  2. Step 2: Convert to fraction form
    174,432.80/261,130.80 = 155,770.40/x
  3. Step 3: Cross multiply
    174,432.80x = 261,130.80 × 155,770.40
  4. Step 4: Simplify right side
    174,432.80x = 40,676,449,168.32
  5. Step 5: Solve for x
    x = 40,676,449,168.32/174,432.80
  6. Step 6: Final answer
    x = 233,192.66

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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.