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Finding the Fourth Proportional to 251,526.64, 377,209.88 and 83,015.58

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Solution

The fourth proportional to 251,526.64, 377,209.88 and 83,015.58 is: 124,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,526.64 : 377,209.88 = 83,015.58 : x
  2. Step 2: Convert to fraction form
    251,526.64/377,209.88 = 83,015.58/x
  3. Step 3: Cross multiply
    251,526.64x = 377,209.88 × 83,015.58
  4. Step 4: Simplify right side
    251,526.64x = 31,314,296,969.93
  5. Step 5: Solve for x
    x = 31,314,296,969.93/251,526.64
  6. Step 6: Final answer
    x = 124,496.94

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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.