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Finding the Fourth Proportional to 98,373.52, 135,755.88 and 53,662.48

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Solution

The fourth proportional to 98,373.52, 135,755.88 and 53,662.48 is: 74,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,373.52 : 135,755.88 = 53,662.48 : x
  2. Step 2: Convert to fraction form
    98,373.52/135,755.88 = 53,662.48/x
  3. Step 3: Cross multiply
    98,373.52x = 135,755.88 × 53,662.48
  4. Step 4: Simplify right side
    98,373.52x = 7,284,997,195.38
  5. Step 5: Solve for x
    x = 7,284,997,195.38/98,373.52
  6. Step 6: Final answer
    x = 74,054.45

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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.