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Finding the Fourth Proportional to 98,746.73, 147,360.76 and 88,249.13

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Solution

The fourth proportional to 98,746.73, 147,360.76 and 88,249.13 is: 131,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,746.73 : 147,360.76 = 88,249.13 : x
  2. Step 2: Convert to fraction form
    98,746.73/147,360.76 = 88,249.13/x
  3. Step 3: Cross multiply
    98,746.73x = 147,360.76 × 88,249.13
  4. Step 4: Simplify right side
    98,746.73x = 13,004,458,866.14
  5. Step 5: Solve for x
    x = 13,004,458,866.14/98,746.73
  6. Step 6: Final answer
    x = 131,695.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.