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Finding the Fourth Proportional to 161,223.16, 222,505.95 and 97,559.56

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Solution

The fourth proportional to 161,223.16, 222,505.95 and 97,559.56 is: 134,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,223.16 : 222,505.95 = 97,559.56 : x
  2. Step 2: Convert to fraction form
    161,223.16/222,505.95 = 97,559.56/x
  3. Step 3: Cross multiply
    161,223.16x = 222,505.95 × 97,559.56
  4. Step 4: Simplify right side
    161,223.16x = 21,707,582,579.38
  5. Step 5: Solve for x
    x = 21,707,582,579.38/161,223.16
  6. Step 6: Final answer
    x = 134,643.08

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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.