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Finding the Fourth Proportional to 177,407.20, 266,110.80 and 175,074.40

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Solution

The fourth proportional to 177,407.20, 266,110.80 and 175,074.40 is: 262,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,407.20 : 266,110.80 = 175,074.40 : x
  2. Step 2: Convert to fraction form
    177,407.20/266,110.80 = 175,074.40/x
  3. Step 3: Cross multiply
    177,407.20x = 266,110.80 × 175,074.40
  4. Step 4: Simplify right side
    177,407.20x = 46,589,188,643.52
  5. Step 5: Solve for x
    x = 46,589,188,643.52/177,407.20
  6. Step 6: Final answer
    x = 262,611.60

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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.