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Finding the Fourth Proportional to 181,710.60, 250,758.09 and 101,138.15

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Solution

The fourth proportional to 181,710.60, 250,758.09 and 101,138.15 is: 139,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,710.60 : 250,758.09 = 101,138.15 : x
  2. Step 2: Convert to fraction form
    181,710.60/250,758.09 = 101,138.15/x
  3. Step 3: Cross multiply
    181,710.60x = 250,758.09 × 101,138.15
  4. Step 4: Simplify right side
    181,710.60x = 25,361,208,066.34
  5. Step 5: Solve for x
    x = 25,361,208,066.34/181,710.60
  6. Step 6: Final answer
    x = 139,569.23

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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.