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Finding the Fourth Proportional to 98,326.89, 135,690.93 and 53,614.89

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Solution

The fourth proportional to 98,326.89, 135,690.93 and 53,614.89 is: 73,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,326.89 : 135,690.93 = 53,614.89 : x
  2. Step 2: Convert to fraction form
    98,326.89/135,690.93 = 53,614.89/x
  3. Step 3: Cross multiply
    98,326.89x = 135,690.93 × 53,614.89
  4. Step 4: Simplify right side
    98,326.89x = 7,275,054,285.95
  5. Step 5: Solve for x
    x = 7,275,054,285.95/98,326.89
  6. Step 6: Final answer
    x = 73,988.45

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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.