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Finding the Fourth Proportional to 170,115.80, 255,270.90 and 65,010.20

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Solution

The fourth proportional to 170,115.80, 255,270.90 and 65,010.20 is: 97,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,115.80 : 255,270.90 = 65,010.20 : x
  2. Step 2: Convert to fraction form
    170,115.80/255,270.90 = 65,010.20/x
  3. Step 3: Cross multiply
    170,115.80x = 255,270.90 × 65,010.20
  4. Step 4: Simplify right side
    170,115.80x = 16,595,212,263.18
  5. Step 5: Solve for x
    x = 16,595,212,263.18/170,115.80
  6. Step 6: Final answer
    x = 97,552.45

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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.