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Finding the Fourth Proportional to 182,812.80, 274,089.60 and 70,449.60

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Solution

The fourth proportional to 182,812.80, 274,089.60 and 70,449.60 is: 105,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,812.80 : 274,089.60 = 70,449.60 : x
  2. Step 2: Convert to fraction form
    182,812.80/274,089.60 = 70,449.60/x
  3. Step 3: Cross multiply
    182,812.80x = 274,089.60 × 70,449.60
  4. Step 4: Simplify right side
    182,812.80x = 19,309,502,684.16
  5. Step 5: Solve for x
    x = 19,309,502,684.16/182,812.80
  6. Step 6: Final answer
    x = 105,624.46

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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.