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Finding the Fourth Proportional to 223,323.40, 334,401.90 and 144,008.20

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Solution

The fourth proportional to 223,323.40, 334,401.90 and 144,008.20 is: 215,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,323.40 : 334,401.90 = 144,008.20 : x
  2. Step 2: Convert to fraction form
    223,323.40/334,401.90 = 144,008.20/x
  3. Step 3: Cross multiply
    223,323.40x = 334,401.90 × 144,008.20
  4. Step 4: Simplify right side
    223,323.40x = 48,156,615,695.58
  5. Step 5: Solve for x
    x = 48,156,615,695.58/223,323.40
  6. Step 6: Final answer
    x = 215,636.23

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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.