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Finding the Fourth Proportional to 98,362.24, 135,751.40 and 55,927.15

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Solution

The fourth proportional to 98,362.24, 135,751.40 and 55,927.15 is: 77,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,362.24 : 135,751.40 = 55,927.15 : x
  2. Step 2: Convert to fraction form
    98,362.24/135,751.40 = 55,927.15/x
  3. Step 3: Cross multiply
    98,362.24x = 135,751.40 × 55,927.15
  4. Step 4: Simplify right side
    98,362.24x = 7,592,188,910.51
  5. Step 5: Solve for x
    x = 7,592,188,910.51/98,362.24
  6. Step 6: Final answer
    x = 77,186.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.