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Finding the Fourth Proportional to 86,646.69, 119,572.43 and 46,902.69

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Solution

The fourth proportional to 86,646.69, 119,572.43 and 46,902.69 is: 64,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,646.69 : 119,572.43 = 46,902.69 : x
  2. Step 2: Convert to fraction form
    86,646.69/119,572.43 = 46,902.69/x
  3. Step 3: Cross multiply
    86,646.69x = 119,572.43 × 46,902.69
  4. Step 4: Simplify right side
    86,646.69x = 5,608,268,616.84
  5. Step 5: Solve for x
    x = 5,608,268,616.84/86,646.69
  6. Step 6: Final answer
    x = 64,725.71

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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.