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Finding the Fourth Proportional to 161,492.14, 222,857.52 and 89,870.95

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Solution

The fourth proportional to 161,492.14, 222,857.52 and 89,870.95 is: 124,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,492.14 : 222,857.52 = 89,870.95 : x
  2. Step 2: Convert to fraction form
    161,492.14/222,857.52 = 89,870.95/x
  3. Step 3: Cross multiply
    161,492.14x = 222,857.52 × 89,870.95
  4. Step 4: Simplify right side
    161,492.14x = 20,028,415,922.76
  5. Step 5: Solve for x
    x = 20,028,415,922.76/161,492.14
  6. Step 6: Final answer
    x = 124,021.00

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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.