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Finding the Fourth Proportional to 268,149.88, 369,820.65 and 191,527.12

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Solution

The fourth proportional to 268,149.88, 369,820.65 and 191,527.12 is: 264,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,149.88 : 369,820.65 = 191,527.12 : x
  2. Step 2: Convert to fraction form
    268,149.88/369,820.65 = 191,527.12/x
  3. Step 3: Cross multiply
    268,149.88x = 369,820.65 × 191,527.12
  4. Step 4: Simplify right side
    268,149.88x = 70,830,684,011.03
  5. Step 5: Solve for x
    x = 70,830,684,011.03/268,149.88
  6. Step 6: Final answer
    x = 264,145.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.