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Finding the Fourth Proportional to 229,878.16, 344,706.18 and 80,114.92

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Solution

The fourth proportional to 229,878.16, 344,706.18 and 80,114.92 is: 120,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,878.16 : 344,706.18 = 80,114.92 : x
  2. Step 2: Convert to fraction form
    229,878.16/344,706.18 = 80,114.92/x
  3. Step 3: Cross multiply
    229,878.16x = 344,706.18 × 80,114.92
  4. Step 4: Simplify right side
    229,878.16x = 27,616,108,034.21
  5. Step 5: Solve for x
    x = 27,616,108,034.21/229,878.16
  6. Step 6: Final answer
    x = 120,133.67

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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.