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Finding the Fourth Proportional to 96,045.52, 132,548 and 53,603.68

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Solution

The fourth proportional to 96,045.52, 132,548 and 53,603.68 is: 73,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,045.52 : 132,548 = 53,603.68 : x
  2. Step 2: Convert to fraction form
    96,045.52/132,548 = 53,603.68/x
  3. Step 3: Cross multiply
    96,045.52x = 132,548 × 53,603.68
  4. Step 4: Simplify right side
    96,045.52x = 7,105,060,576.64
  5. Step 5: Solve for x
    x = 7,105,060,576.64/96,045.52
  6. Step 6: Final answer
    x = 73,975.97

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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.