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Finding the Fourth Proportional to 153,007.80, 229,511.70 and 123,483.30

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Solution

The fourth proportional to 153,007.80, 229,511.70 and 123,483.30 is: 185,224.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,007.80 : 229,511.70 = 123,483.30 : x
  2. Step 2: Convert to fraction form
    153,007.80/229,511.70 = 123,483.30/x
  3. Step 3: Cross multiply
    153,007.80x = 229,511.70 × 123,483.30
  4. Step 4: Simplify right side
    153,007.80x = 28,340,862,104.61
  5. Step 5: Solve for x
    x = 28,340,862,104.61/153,007.80
  6. Step 6: Final answer
    x = 185,224.95

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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.