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Finding the Fourth Proportional to 88,609, 132,952.66 and 46,479.02

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Solution

The fourth proportional to 88,609, 132,952.66 and 46,479.02 is: 69,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,609 : 132,952.66 = 46,479.02 : x
  2. Step 2: Convert to fraction form
    88,609/132,952.66 = 46,479.02/x
  3. Step 3: Cross multiply
    88,609x = 132,952.66 × 46,479.02
  4. Step 4: Simplify right side
    88,609x = 6,179,509,343.19
  5. Step 5: Solve for x
    x = 6,179,509,343.19/88,609
  6. Step 6: Final answer
    x = 69,739.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.