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Finding the Fourth Proportional to 109,178.77, 163,768.16 and 62,398.84

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Solution

The fourth proportional to 109,178.77, 163,768.16 and 62,398.84 is: 93,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,178.77 : 163,768.16 = 62,398.84 : x
  2. Step 2: Convert to fraction form
    109,178.77/163,768.16 = 62,398.84/x
  3. Step 3: Cross multiply
    109,178.77x = 163,768.16 × 62,398.84
  4. Step 4: Simplify right side
    109,178.77x = 10,218,943,212.93
  5. Step 5: Solve for x
    x = 10,218,943,212.93/109,178.77
  6. Step 6: Final answer
    x = 93,598.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.