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Finding the Fourth Proportional to 98,673.08, 136,166.82 and 53,961.08

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Solution

The fourth proportional to 98,673.08, 136,166.82 and 53,961.08 is: 74,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,673.08 : 136,166.82 = 53,961.08 : x
  2. Step 2: Convert to fraction form
    98,673.08/136,166.82 = 53,961.08/x
  3. Step 3: Cross multiply
    98,673.08x = 136,166.82 × 53,961.08
  4. Step 4: Simplify right side
    98,673.08x = 7,347,708,667.37
  5. Step 5: Solve for x
    x = 7,347,708,667.37/98,673.08
  6. Step 6: Final answer
    x = 74,465.18

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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.