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Finding the Fourth Proportional to 98,566.24, 136,020.64 and 53,854.24

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Solution

The fourth proportional to 98,566.24, 136,020.64 and 53,854.24 is: 74,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,566.24 : 136,020.64 = 53,854.24 : x
  2. Step 2: Convert to fraction form
    98,566.24/136,020.64 = 53,854.24/x
  3. Step 3: Cross multiply
    98,566.24x = 136,020.64 × 53,854.24
  4. Step 4: Simplify right side
    98,566.24x = 7,325,288,191.51
  5. Step 5: Solve for x
    x = 7,325,288,191.51/98,566.24
  6. Step 6: Final answer
    x = 74,318.43

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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.