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Finding the Fourth Proportional to 119,511.60, 179,267.40 and 103,959.60

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Solution

The fourth proportional to 119,511.60, 179,267.40 and 103,959.60 is: 155,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,511.60 : 179,267.40 = 103,959.60 : x
  2. Step 2: Convert to fraction form
    119,511.60/179,267.40 = 103,959.60/x
  3. Step 3: Cross multiply
    119,511.60x = 179,267.40 × 103,959.60
  4. Step 4: Simplify right side
    119,511.60x = 18,636,567,197.04
  5. Step 5: Solve for x
    x = 18,636,567,197.04/119,511.60
  6. Step 6: Final answer
    x = 155,939.40

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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.