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Finding the Fourth Proportional to 100,255.30, 150,386.58 and 33,697.60

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Solution

The fourth proportional to 100,255.30, 150,386.58 and 33,697.60 is: 50,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,255.30 : 150,386.58 = 33,697.60 : x
  2. Step 2: Convert to fraction form
    100,255.30/150,386.58 = 33,697.60/x
  3. Step 3: Cross multiply
    100,255.30x = 150,386.58 × 33,697.60
  4. Step 4: Simplify right side
    100,255.30x = 5,067,666,818.21
  5. Step 5: Solve for x
    x = 5,067,666,818.21/100,255.30
  6. Step 6: Final answer
    x = 50,547.62

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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.