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Finding the Fourth Proportional to 160,214.40, 240,033.60 and 76,924.80

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Solution

The fourth proportional to 160,214.40, 240,033.60 and 76,924.80 is: 115,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,214.40 : 240,033.60 = 76,924.80 : x
  2. Step 2: Convert to fraction form
    160,214.40/240,033.60 = 76,924.80/x
  3. Step 3: Cross multiply
    160,214.40x = 240,033.60 × 76,924.80
  4. Step 4: Simplify right side
    160,214.40x = 18,464,536,673.28
  5. Step 5: Solve for x
    x = 18,464,536,673.28/160,214.40
  6. Step 6: Final answer
    x = 115,248.92

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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.