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Finding the Fourth Proportional to 98,242.73, 135,574.96 and 53,530.73

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Solution

The fourth proportional to 98,242.73, 135,574.96 and 53,530.73 is: 73,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,242.73 : 135,574.96 = 53,530.73 : x
  2. Step 2: Convert to fraction form
    98,242.73/135,574.96 = 53,530.73/x
  3. Step 3: Cross multiply
    98,242.73x = 135,574.96 × 53,530.73
  4. Step 4: Simplify right side
    98,242.73x = 7,257,426,578.52
  5. Step 5: Solve for x
    x = 7,257,426,578.52/98,242.73
  6. Step 6: Final answer
    x = 73,872.40

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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.