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Finding the Fourth Proportional to 73,496.48, 101,435.45 and 53,144.64

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Solution

The fourth proportional to 73,496.48, 101,435.45 and 53,144.64 is: 73,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,496.48 : 101,435.45 = 53,144.64 : x
  2. Step 2: Convert to fraction form
    73,496.48/101,435.45 = 53,144.64/x
  3. Step 3: Cross multiply
    73,496.48x = 101,435.45 × 53,144.64
  4. Step 4: Simplify right side
    73,496.48x = 5,390,750,207.76
  5. Step 5: Solve for x
    x = 5,390,750,207.76/73,496.48
  6. Step 6: Final answer
    x = 73,347.06

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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.