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Finding the Fourth Proportional to 171,482.54, 236,642.70 and 103,502.38

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Solution

The fourth proportional to 171,482.54, 236,642.70 and 103,502.38 is: 142,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,482.54 : 236,642.70 = 103,502.38 : x
  2. Step 2: Convert to fraction form
    171,482.54/236,642.70 = 103,502.38/x
  3. Step 3: Cross multiply
    171,482.54x = 236,642.70 × 103,502.38
  4. Step 4: Simplify right side
    171,482.54x = 24,493,082,659.63
  5. Step 5: Solve for x
    x = 24,493,082,659.63/171,482.54
  6. Step 6: Final answer
    x = 142,831.35

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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.