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Finding the Fourth Proportional to 138,202.03, 207,051.54 and 95,992.93

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Solution

The fourth proportional to 138,202.03, 207,051.54 and 95,992.93 is: 143,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,202.03 : 207,051.54 = 95,992.93 : x
  2. Step 2: Convert to fraction form
    138,202.03/207,051.54 = 95,992.93/x
  3. Step 3: Cross multiply
    138,202.03x = 207,051.54 × 95,992.93
  4. Step 4: Simplify right side
    138,202.03x = 19,875,483,985.61
  5. Step 5: Solve for x
    x = 19,875,483,985.61/138,202.03
  6. Step 6: Final answer
    x = 143,814.70

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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.