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Finding the Fourth Proportional to 100,948.30, 151,094.40 and 100,948.30

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Solution

The fourth proportional to 100,948.30, 151,094.40 and 100,948.30 is: 151,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,948.30 : 151,094.40 = 100,948.30 : x
  2. Step 2: Convert to fraction form
    100,948.30/151,094.40 = 100,948.30/x
  3. Step 3: Cross multiply
    100,948.30x = 151,094.40 × 100,948.30
  4. Step 4: Simplify right side
    100,948.30x = 15,252,722,819.52
  5. Step 5: Solve for x
    x = 15,252,722,819.52/100,948.30
  6. Step 6: Final answer
    x = 151,094.40

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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.