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Finding the Fourth Proportional to 251,851.46, 377,686.47 and 83,340.68

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Solution

The fourth proportional to 251,851.46, 377,686.47 and 83,340.68 is: 124,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,851.46 : 377,686.47 = 83,340.68 : x
  2. Step 2: Convert to fraction form
    251,851.46/377,686.47 = 83,340.68/x
  3. Step 3: Cross multiply
    251,851.46x = 377,686.47 × 83,340.68
  4. Step 4: Simplify right side
    251,851.46x = 31,476,648,180.82
  5. Step 5: Solve for x
    x = 31,476,648,180.82/251,851.46
  6. Step 6: Final answer
    x = 124,981.00

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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.