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Finding the Fourth Proportional to 103,668.26, 155,500.56 and 33,547.64

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Solution

The fourth proportional to 103,668.26, 155,500.56 and 33,547.64 is: 50,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668.26 : 155,500.56 = 33,547.64 : x
  2. Step 2: Convert to fraction form
    103,668.26/155,500.56 = 33,547.64/x
  3. Step 3: Cross multiply
    103,668.26x = 155,500.56 × 33,547.64
  4. Step 4: Simplify right side
    103,668.26x = 5,216,676,029.18
  5. Step 5: Solve for x
    x = 5,216,676,029.18/103,668.26
  6. Step 6: Final answer
    x = 50,320.86

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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.