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Finding the Fourth Proportional to 216,002.10, 324,003.15 and 168,762.90

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Solution

The fourth proportional to 216,002.10, 324,003.15 and 168,762.90 is: 253,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,002.10 : 324,003.15 = 168,762.90 : x
  2. Step 2: Convert to fraction form
    216,002.10/324,003.15 = 168,762.90/x
  3. Step 3: Cross multiply
    216,002.10x = 324,003.15 × 168,762.90
  4. Step 4: Simplify right side
    216,002.10x = 54,679,711,203.14
  5. Step 5: Solve for x
    x = 54,679,711,203.14/216,002.10
  6. Step 6: Final answer
    x = 253,144.35

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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.