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Finding the Fourth Proportional to 97,644.96, 134,727.48 and 73,505.16

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Solution

The fourth proportional to 97,644.96, 134,727.48 and 73,505.16 is: 101,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,644.96 : 134,727.48 = 73,505.16 : x
  2. Step 2: Convert to fraction form
    97,644.96/134,727.48 = 73,505.16/x
  3. Step 3: Cross multiply
    97,644.96x = 134,727.48 × 73,505.16
  4. Step 4: Simplify right side
    97,644.96x = 9,903,164,973.80
  5. Step 5: Solve for x
    x = 9,903,164,973.80/97,644.96
  6. Step 6: Final answer
    x = 101,420.13

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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.