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Finding the Fourth Proportional to 143,527.60, 215,297.80 and 54,823.60

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Solution

The fourth proportional to 143,527.60, 215,297.80 and 54,823.60 is: 82,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,527.60 : 215,297.80 = 54,823.60 : x
  2. Step 2: Convert to fraction form
    143,527.60/215,297.80 = 54,823.60/x
  3. Step 3: Cross multiply
    143,527.60x = 215,297.80 × 54,823.60
  4. Step 4: Simplify right side
    143,527.60x = 11,803,400,468.08
  5. Step 5: Solve for x
    x = 11,803,400,468.08/143,527.60
  6. Step 6: Final answer
    x = 82,237.84

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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.