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Finding the Fourth Proportional to 171,292.91, 236,378.16 and 94,812.15

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Solution

The fourth proportional to 171,292.91, 236,378.16 and 94,812.15 is: 130,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,292.91 : 236,378.16 = 94,812.15 : x
  2. Step 2: Convert to fraction form
    171,292.91/236,378.16 = 94,812.15/x
  3. Step 3: Cross multiply
    171,292.91x = 236,378.16 × 94,812.15
  4. Step 4: Simplify right side
    171,292.91x = 22,411,521,562.64
  5. Step 5: Solve for x
    x = 22,411,521,562.64/171,292.91
  6. Step 6: Final answer
    x = 130,837.42

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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.