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Finding the Fourth Proportional to 97,889.04, 135,087.04 and 53,177.04

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Solution

The fourth proportional to 97,889.04, 135,087.04 and 53,177.04 is: 73,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,889.04 : 135,087.04 = 53,177.04 : x
  2. Step 2: Convert to fraction form
    97,889.04/135,087.04 = 53,177.04/x
  3. Step 3: Cross multiply
    97,889.04x = 135,087.04 × 53,177.04
  4. Step 4: Simplify right side
    97,889.04x = 7,183,528,929.56
  5. Step 5: Solve for x
    x = 7,183,528,929.56/97,889.04
  6. Step 6: Final answer
    x = 73,384.40

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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.