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Finding the Fourth Proportional to 97,862.63, 135,050.42 and 53,150.63

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Solution

The fourth proportional to 97,862.63, 135,050.42 and 53,150.63 is: 73,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,862.63 : 135,050.42 = 53,150.63 : x
  2. Step 2: Convert to fraction form
    97,862.63/135,050.42 = 53,150.63/x
  3. Step 3: Cross multiply
    97,862.63x = 135,050.42 × 53,150.63
  4. Step 4: Simplify right side
    97,862.63x = 7,178,014,362.39
  5. Step 5: Solve for x
    x = 7,178,014,362.39/97,862.63
  6. Step 6: Final answer
    x = 73,347.86

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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.