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Finding the Fourth Proportional to 161,554.69, 222,936.87 and 89,932.87

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Solution

The fourth proportional to 161,554.69, 222,936.87 and 89,932.87 is: 124,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,554.69 : 222,936.87 = 89,932.87 : x
  2. Step 2: Convert to fraction form
    161,554.69/222,936.87 = 89,932.87/x
  3. Step 3: Cross multiply
    161,554.69x = 222,936.87 × 89,932.87
  4. Step 4: Simplify right side
    161,554.69x = 20,049,352,547.92
  5. Step 5: Solve for x
    x = 20,049,352,547.92/161,554.69
  6. Step 6: Final answer
    x = 124,102.57

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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.