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Finding the Fourth Proportional to 170,886.10, 256,329.15 and 100,902.10

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Solution

The fourth proportional to 170,886.10, 256,329.15 and 100,902.10 is: 151,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,886.10 : 256,329.15 = 100,902.10 : x
  2. Step 2: Convert to fraction form
    170,886.10/256,329.15 = 100,902.10/x
  3. Step 3: Cross multiply
    170,886.10x = 256,329.15 × 100,902.10
  4. Step 4: Simplify right side
    170,886.10x = 25,864,149,526.22
  5. Step 5: Solve for x
    x = 25,864,149,526.22/170,886.10
  6. Step 6: Final answer
    x = 151,353.15

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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.