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Finding the Fourth Proportional to 96,145.65, 132,678.81 and 53,704.08

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Solution

The fourth proportional to 96,145.65, 132,678.81 and 53,704.08 is: 74,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,145.65 : 132,678.81 = 53,704.08 : x
  2. Step 2: Convert to fraction form
    96,145.65/132,678.81 = 53,704.08/x
  3. Step 3: Cross multiply
    96,145.65x = 132,678.81 × 53,704.08
  4. Step 4: Simplify right side
    96,145.65x = 7,125,393,426.54
  5. Step 5: Solve for x
    x = 7,125,393,426.54/96,145.65
  6. Step 6: Final answer
    x = 74,110.41

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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.