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Finding the Fourth Proportional to 170,280.62, 255,420.98 and 70,330.96

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Solution

The fourth proportional to 170,280.62, 255,420.98 and 70,330.96 is: 105,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,280.62 : 255,420.98 = 70,330.96 : x
  2. Step 2: Convert to fraction form
    170,280.62/255,420.98 = 70,330.96/x
  3. Step 3: Cross multiply
    170,280.62x = 255,420.98 × 70,330.96
  4. Step 4: Simplify right side
    170,280.62x = 17,964,002,537.24
  5. Step 5: Solve for x
    x = 17,964,002,537.24/170,280.62
  6. Step 6: Final answer
    x = 105,496.46

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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.