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Finding the Fourth Proportional to 124,802.96, 172,228.14 and 71,093.03

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Solution

The fourth proportional to 124,802.96, 172,228.14 and 71,093.03 is: 98,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,802.96 : 172,228.14 = 71,093.03 : x
  2. Step 2: Convert to fraction form
    124,802.96/172,228.14 = 71,093.03/x
  3. Step 3: Cross multiply
    124,802.96x = 172,228.14 × 71,093.03
  4. Step 4: Simplify right side
    124,802.96x = 12,244,219,462.72
  5. Step 5: Solve for x
    x = 12,244,219,462.72/124,802.96
  6. Step 6: Final answer
    x = 98,108.41

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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.