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Finding the Fourth Proportional to 159,528.80, 239,566.80 and 88,421.60

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Solution

The fourth proportional to 159,528.80, 239,566.80 and 88,421.60 is: 132,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,528.80 : 239,566.80 = 88,421.60 : x
  2. Step 2: Convert to fraction form
    159,528.80/239,566.80 = 88,421.60/x
  3. Step 3: Cross multiply
    159,528.80x = 239,566.80 × 88,421.60
  4. Step 4: Simplify right side
    159,528.80x = 21,182,879,762.88
  5. Step 5: Solve for x
    x = 21,182,879,762.88/159,528.80
  6. Step 6: Final answer
    x = 132,784.05

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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.