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Finding the Fourth Proportional to 161,534.52, 222,914.40 and 101,138.52

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Solution

The fourth proportional to 161,534.52, 222,914.40 and 101,138.52 is: 139,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,534.52 : 222,914.40 = 101,138.52 : x
  2. Step 2: Convert to fraction form
    161,534.52/222,914.40 = 101,138.52/x
  3. Step 3: Cross multiply
    161,534.52x = 222,914.40 × 101,138.52
  4. Step 4: Simplify right side
    161,534.52x = 22,545,232,502.69
  5. Step 5: Solve for x
    x = 22,545,232,502.69/161,534.52
  6. Step 6: Final answer
    x = 139,569.13

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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.