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Finding the Fourth Proportional to 188,217.60, 282,326.40 and 82,924.80

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Solution

The fourth proportional to 188,217.60, 282,326.40 and 82,924.80 is: 124,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,217.60 : 282,326.40 = 82,924.80 : x
  2. Step 2: Convert to fraction form
    188,217.60/282,326.40 = 82,924.80/x
  3. Step 3: Cross multiply
    188,217.60x = 282,326.40 × 82,924.80
  4. Step 4: Simplify right side
    188,217.60x = 23,411,860,254.72
  5. Step 5: Solve for x
    x = 23,411,860,254.72/188,217.60
  6. Step 6: Final answer
    x = 124,387.20

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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.