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Finding the Fourth Proportional to 96,369.69, 132,985.85 and 53,350.80

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Solution

The fourth proportional to 96,369.69, 132,985.85 and 53,350.80 is: 73,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,369.69 : 132,985.85 = 53,350.80 : x
  2. Step 2: Convert to fraction form
    96,369.69/132,985.85 = 53,350.80/x
  3. Step 3: Cross multiply
    96,369.69x = 132,985.85 × 53,350.80
  4. Step 4: Simplify right side
    96,369.69x = 7,094,901,486.18
  5. Step 5: Solve for x
    x = 7,094,901,486.18/96,369.69
  6. Step 6: Final answer
    x = 73,621.71

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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.