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Finding the Fourth Proportional to 100,547.30, 150,841.20 and 29,469.80

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Solution

The fourth proportional to 100,547.30, 150,841.20 and 29,469.80 is: 44,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,547.30 : 150,841.20 = 29,469.80 : x
  2. Step 2: Convert to fraction form
    100,547.30/150,841.20 = 29,469.80/x
  3. Step 3: Cross multiply
    100,547.30x = 150,841.20 × 29,469.80
  4. Step 4: Simplify right side
    100,547.30x = 4,445,259,995.76
  5. Step 5: Solve for x
    x = 4,445,259,995.76/100,547.30
  6. Step 6: Final answer
    x = 44,210.64

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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.