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Finding the Fourth Proportional to 109,769.84, 151,482.32 and 59,468.84

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Solution

The fourth proportional to 109,769.84, 151,482.32 and 59,468.84 is: 82,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,769.84 : 151,482.32 = 59,468.84 : x
  2. Step 2: Convert to fraction form
    109,769.84/151,482.32 = 59,468.84/x
  3. Step 3: Cross multiply
    109,769.84x = 151,482.32 × 59,468.84
  4. Step 4: Simplify right side
    109,769.84x = 9,008,477,850.91
  5. Step 5: Solve for x
    x = 9,008,477,850.91/109,769.84
  6. Step 6: Final answer
    x = 82,066.97

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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.