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Finding the Fourth Proportional to 247,193.02, 370,365.74 and 165,987.82

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Solution

The fourth proportional to 247,193.02, 370,365.74 and 165,987.82 is: 248,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,193.02 : 370,365.74 = 165,987.82 : x
  2. Step 2: Convert to fraction form
    247,193.02/370,365.74 = 165,987.82/x
  3. Step 3: Cross multiply
    247,193.02x = 370,365.74 × 165,987.82
  4. Step 4: Simplify right side
    247,193.02x = 61,476,201,785.29
  5. Step 5: Solve for x
    x = 61,476,201,785.29/247,193.02
  6. Step 6: Final answer
    x = 248,697.16

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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.