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Finding the Fourth Proportional to 161,440.30, 222,762.44 and 93,443.97

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Solution

The fourth proportional to 161,440.30, 222,762.44 and 93,443.97 is: 128,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,440.30 : 222,762.44 = 93,443.97 : x
  2. Step 2: Convert to fraction form
    161,440.30/222,762.44 = 93,443.97/x
  3. Step 3: Cross multiply
    161,440.30x = 222,762.44 × 93,443.97
  4. Step 4: Simplify right side
    161,440.30x = 20,815,806,994.10
  5. Step 5: Solve for x
    x = 20,815,806,994.10/161,440.30
  6. Step 6: Final answer
    x = 128,938.11

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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.