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Finding the Fourth Proportional to 84,908.10, 127,362.15 and 73,244.10

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Solution

The fourth proportional to 84,908.10, 127,362.15 and 73,244.10 is: 109,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,908.10 : 127,362.15 = 73,244.10 : x
  2. Step 2: Convert to fraction form
    84,908.10/127,362.15 = 73,244.10/x
  3. Step 3: Cross multiply
    84,908.10x = 127,362.15 × 73,244.10
  4. Step 4: Simplify right side
    84,908.10x = 9,328,526,050.82
  5. Step 5: Solve for x
    x = 9,328,526,050.82/84,908.10
  6. Step 6: Final answer
    x = 109,866.15

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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.