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Finding the Fourth Proportional to 165,259.68, 247,905.84 and 52,911.60

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Solution

The fourth proportional to 165,259.68, 247,905.84 and 52,911.60 is: 79,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,259.68 : 247,905.84 = 52,911.60 : x
  2. Step 2: Convert to fraction form
    165,259.68/247,905.84 = 52,911.60/x
  3. Step 3: Cross multiply
    165,259.68x = 247,905.84 × 52,911.60
  4. Step 4: Simplify right side
    165,259.68x = 13,117,094,643.74
  5. Step 5: Solve for x
    x = 13,117,094,643.74/165,259.68
  6. Step 6: Final answer
    x = 79,372.63

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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.