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Finding the Fourth Proportional to 161,277.63, 222,570.72 and 89,658.84

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Solution

The fourth proportional to 161,277.63, 222,570.72 and 89,658.84 is: 123,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,277.63 : 222,570.72 = 89,658.84 : x
  2. Step 2: Convert to fraction form
    161,277.63/222,570.72 = 89,658.84/x
  3. Step 3: Cross multiply
    161,277.63x = 222,570.72 × 89,658.84
  4. Step 4: Simplify right side
    161,277.63x = 19,955,433,407.81
  5. Step 5: Solve for x
    x = 19,955,433,407.81/161,277.63
  6. Step 6: Final answer
    x = 123,733.43

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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.