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Finding the Fourth Proportional to 97,616.81, 134,711.99 and 52,904.81

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Solution

The fourth proportional to 97,616.81, 134,711.99 and 52,904.81 is: 73,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,616.81 : 134,711.99 = 52,904.81 : x
  2. Step 2: Convert to fraction form
    97,616.81/134,711.99 = 52,904.81/x
  3. Step 3: Cross multiply
    97,616.81x = 134,711.99 × 52,904.81
  4. Step 4: Simplify right side
    97,616.81x = 7,126,911,971.15
  5. Step 5: Solve for x
    x = 7,126,911,971.15/97,616.81
  6. Step 6: Final answer
    x = 73,009.06

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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.