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Finding the Fourth Proportional to 161,088.51, 222,294.60 and 89,472.90

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Solution

The fourth proportional to 161,088.51, 222,294.60 and 89,472.90 is: 123,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,088.51 : 222,294.60 = 89,472.90 : x
  2. Step 2: Convert to fraction form
    161,088.51/222,294.60 = 89,472.90/x
  3. Step 3: Cross multiply
    161,088.51x = 222,294.60 × 89,472.90
  4. Step 4: Simplify right side
    161,088.51x = 19,889,342,516.34
  5. Step 5: Solve for x
    x = 19,889,342,516.34/161,088.51
  6. Step 6: Final answer
    x = 123,468.41

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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.