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Finding the Fourth Proportional to 97,603.88, 134,687.77 and 53,993.83

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Solution

The fourth proportional to 97,603.88, 134,687.77 and 53,993.83 is: 74,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,603.88 : 134,687.77 = 53,993.83 : x
  2. Step 2: Convert to fraction form
    97,603.88/134,687.77 = 53,993.83/x
  3. Step 3: Cross multiply
    97,603.88x = 134,687.77 × 53,993.83
  4. Step 4: Simplify right side
    97,603.88x = 7,272,308,084.76
  5. Step 5: Solve for x
    x = 7,272,308,084.76/97,603.88
  6. Step 6: Final answer
    x = 74,508.39

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1.5x scale

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.