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Finding the Fourth Proportional to 135,047.73, 202,615.34 and 64,917.93

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Solution

The fourth proportional to 135,047.73, 202,615.34 and 64,917.93 is: 97,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,047.73 : 202,615.34 = 64,917.93 : x
  2. Step 2: Convert to fraction form
    135,047.73/202,615.34 = 64,917.93/x
  3. Step 3: Cross multiply
    135,047.73x = 202,615.34 × 64,917.93
  4. Step 4: Simplify right side
    135,047.73x = 13,153,368,459.05
  5. Step 5: Solve for x
    x = 13,153,368,459.05/135,047.73
  6. Step 6: Final answer
    x = 97,397.92

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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.