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Finding the Fourth Proportional to 117,006.65, 175,509.56 and 28,260.17

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Solution

The fourth proportional to 117,006.65, 175,509.56 and 28,260.17 is: 42,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006.65 : 175,509.56 = 28,260.17 : x
  2. Step 2: Convert to fraction form
    117,006.65/175,509.56 = 28,260.17/x
  3. Step 3: Cross multiply
    117,006.65x = 175,509.56 × 28,260.17
  4. Step 4: Simplify right side
    117,006.65x = 4,959,929,280.39
  5. Step 5: Solve for x
    x = 4,959,929,280.39/117,006.65
  6. Step 6: Final answer
    x = 42,390.15

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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.