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Finding the Fourth Proportional to 251,841.62, 377,671.70 and 83,330.84

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Solution

The fourth proportional to 251,841.62, 377,671.70 and 83,330.84 is: 124,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,841.62 : 377,671.70 = 83,330.84 : x
  2. Step 2: Convert to fraction form
    251,841.62/377,671.70 = 83,330.84/x
  3. Step 3: Cross multiply
    251,841.62x = 377,671.70 × 83,330.84
  4. Step 4: Simplify right side
    251,841.62x = 31,471,697,700.22
  5. Step 5: Solve for x
    x = 31,471,697,700.22/251,841.62
  6. Step 6: Final answer
    x = 124,966.23

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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.