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Finding the Fourth Proportional to 349,054.50, 523,581.75 and 112,421.10

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Solution

The fourth proportional to 349,054.50, 523,581.75 and 112,421.10 is: 168,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,054.50 : 523,581.75 = 112,421.10 : x
  2. Step 2: Convert to fraction form
    349,054.50/523,581.75 = 112,421.10/x
  3. Step 3: Cross multiply
    349,054.50x = 523,581.75 × 112,421.10
  4. Step 4: Simplify right side
    349,054.50x = 58,861,636,274.93
  5. Step 5: Solve for x
    x = 58,861,636,274.93/349,054.50
  6. Step 6: Final answer
    x = 168,631.65

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Similar ratio
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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.