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Finding the Fourth Proportional to 84,804.95, 127,265.73 and 29,400.95

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Solution

The fourth proportional to 84,804.95, 127,265.73 and 29,400.95 is: 44,121.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,804.95 : 127,265.73 = 29,400.95 : x
  2. Step 2: Convert to fraction form
    84,804.95/127,265.73 = 29,400.95/x
  3. Step 3: Cross multiply
    84,804.95x = 127,265.73 × 29,400.95
  4. Step 4: Simplify right side
    84,804.95x = 3,741,732,728.11
  5. Step 5: Solve for x
    x = 3,741,732,728.11/84,804.95
  6. Step 6: Final answer
    x = 44,121.63

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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.