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Finding the Fourth Proportional to 103,357.92, 155,014.80 and 47,182.08

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Solution

The fourth proportional to 103,357.92, 155,014.80 and 47,182.08 is: 70,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,357.92 : 155,014.80 = 47,182.08 : x
  2. Step 2: Convert to fraction form
    103,357.92/155,014.80 = 47,182.08/x
  3. Step 3: Cross multiply
    103,357.92x = 155,014.80 × 47,182.08
  4. Step 4: Simplify right side
    103,357.92x = 7,313,920,694.78
  5. Step 5: Solve for x
    x = 7,313,920,694.78/103,357.92
  6. Step 6: Final answer
    x = 70,763.04

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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.