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Finding the Fourth Proportional to 99,062.24, 147,813.21 and 93,035.24

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Solution

The fourth proportional to 99,062.24, 147,813.21 and 93,035.24 is: 138,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,062.24 : 147,813.21 = 93,035.24 : x
  2. Step 2: Convert to fraction form
    99,062.24/147,813.21 = 93,035.24/x
  3. Step 3: Cross multiply
    99,062.24x = 147,813.21 × 93,035.24
  4. Step 4: Simplify right side
    99,062.24x = 13,751,837,467.52
  5. Step 5: Solve for x
    x = 13,751,837,467.52/99,062.24
  6. Step 6: Final answer
    x = 138,820.17

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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.