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Finding the Fourth Proportional to 97,502.51, 134,553.47 and 55,063.77

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Solution

The fourth proportional to 97,502.51, 134,553.47 and 55,063.77 is: 75,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,502.51 : 134,553.47 = 55,063.77 : x
  2. Step 2: Convert to fraction form
    97,502.51/134,553.47 = 55,063.77/x
  3. Step 3: Cross multiply
    97,502.51x = 134,553.47 × 55,063.77
  4. Step 4: Simplify right side
    97,502.51x = 7,409,021,324.78
  5. Step 5: Solve for x
    x = 7,409,021,324.78/97,502.51
  6. Step 6: Final answer
    x = 75,988.01

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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.