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Finding the Fourth Proportional to 98,562.65, 136,016.52 and 53,240.64

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Solution

The fourth proportional to 98,562.65, 136,016.52 and 53,240.64 is: 73,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,562.65 : 136,016.52 = 53,240.64 : x
  2. Step 2: Convert to fraction form
    98,562.65/136,016.52 = 53,240.64/x
  3. Step 3: Cross multiply
    98,562.65x = 136,016.52 × 53,240.64
  4. Step 4: Simplify right side
    98,562.65x = 7,241,606,575.37
  5. Step 5: Solve for x
    x = 7,241,606,575.37/98,562.65
  6. Step 6: Final answer
    x = 73,472.12

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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.