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Finding the Fourth Proportional to 171,218.39, 236,376.39 and 103,252.58

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Solution

The fourth proportional to 171,218.39, 236,376.39 and 103,252.58 is: 142,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,218.39 : 236,376.39 = 103,252.58 : x
  2. Step 2: Convert to fraction form
    171,218.39/236,376.39 = 103,252.58/x
  3. Step 3: Cross multiply
    171,218.39x = 236,376.39 × 103,252.58
  4. Step 4: Simplify right side
    171,218.39x = 24,406,470,549.51
  5. Step 5: Solve for x
    x = 24,406,470,549.51/171,218.39
  6. Step 6: Final answer
    x = 142,545.85

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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.