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Finding the Fourth Proportional to 97,726, 134,862.60 and 53,014

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Solution

The fourth proportional to 97,726, 134,862.60 and 53,014 is: 73,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,726 : 134,862.60 = 53,014 : x
  2. Step 2: Convert to fraction form
    97,726/134,862.60 = 53,014/x
  3. Step 3: Cross multiply
    97,726x = 134,862.60 × 53,014
  4. Step 4: Simplify right side
    97,726x = 7,149,605,876.40
  5. Step 5: Solve for x
    x = 7,149,605,876.40/97,726
  6. Step 6: Final answer
    x = 73,159.71

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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.