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Finding the Fourth Proportional to 97,501.86, 134,551.53 and 55,057.86

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Solution

The fourth proportional to 97,501.86, 134,551.53 and 55,057.86 is: 75,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,501.86 : 134,551.53 = 55,057.86 : x
  2. Step 2: Convert to fraction form
    97,501.86/134,551.53 = 55,057.86/x
  3. Step 3: Cross multiply
    97,501.86x = 134,551.53 × 55,057.86
  4. Step 4: Simplify right side
    97,501.86x = 7,408,119,301.53
  5. Step 5: Solve for x
    x = 7,408,119,301.53/97,501.86
  6. Step 6: Final answer
    x = 75,979.26

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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.