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Finding the Fourth Proportional to 99,296.83, 137,030.93 and 53,975.49

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Solution

The fourth proportional to 99,296.83, 137,030.93 and 53,975.49 is: 74,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,296.83 : 137,030.93 = 53,975.49 : x
  2. Step 2: Convert to fraction form
    99,296.83/137,030.93 = 53,975.49/x
  3. Step 3: Cross multiply
    99,296.83x = 137,030.93 × 53,975.49
  4. Step 4: Simplify right side
    99,296.83x = 7,396,311,591.91
  5. Step 5: Solve for x
    x = 7,396,311,591.91/99,296.83
  6. Step 6: Final answer
    x = 74,486.89

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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.