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Finding the Fourth Proportional to 255,851.15, 383,660.08 and 150,700.19

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Solution

The fourth proportional to 255,851.15, 383,660.08 and 150,700.19 is: 225,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,851.15 : 383,660.08 = 150,700.19 : x
  2. Step 2: Convert to fraction form
    255,851.15/383,660.08 = 150,700.19/x
  3. Step 3: Cross multiply
    255,851.15x = 383,660.08 × 150,700.19
  4. Step 4: Simplify right side
    255,851.15x = 57,817,644,656.36
  5. Step 5: Solve for x
    x = 57,817,644,656.36/255,851.15
  6. Step 6: Final answer
    x = 225,981.57

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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.