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Finding the Fourth Proportional to 96,159.69, 132,697.85 and 53,138.97

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Solution

The fourth proportional to 96,159.69, 132,697.85 and 53,138.97 is: 73,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,159.69 : 132,697.85 = 53,138.97 : x
  2. Step 2: Convert to fraction form
    96,159.69/132,697.85 = 53,138.97/x
  3. Step 3: Cross multiply
    96,159.69x = 132,697.85 × 53,138.97
  4. Step 4: Simplify right side
    96,159.69x = 7,051,426,804.52
  5. Step 5: Solve for x
    x = 7,051,426,804.52/96,159.69
  6. Step 6: Final answer
    x = 73,330.38

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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.