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Finding the Fourth Proportional to 97,616.56, 134,711.64 and 52,904.56

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Solution

The fourth proportional to 97,616.56, 134,711.64 and 52,904.56 is: 73,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,616.56 : 134,711.64 = 52,904.56 : x
  2. Step 2: Convert to fraction form
    97,616.56/134,711.64 = 52,904.56/x
  3. Step 3: Cross multiply
    97,616.56x = 134,711.64 × 52,904.56
  4. Step 4: Simplify right side
    97,616.56x = 7,126,860,041.08
  5. Step 5: Solve for x
    x = 7,126,860,041.08/97,616.56
  6. Step 6: Final answer
    x = 73,008.72

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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.