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Finding the Fourth Proportional to 247,668.72, 341,870.04 and 147,066

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Solution

The fourth proportional to 247,668.72, 341,870.04 and 147,066 is: 203,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,668.72 : 341,870.04 = 147,066 : x
  2. Step 2: Convert to fraction form
    247,668.72/341,870.04 = 147,066/x
  3. Step 3: Cross multiply
    247,668.72x = 341,870.04 × 147,066
  4. Step 4: Simplify right side
    247,668.72x = 50,277,459,302.64
  5. Step 5: Solve for x
    x = 50,277,459,302.64/247,668.72
  6. Step 6: Final answer
    x = 203,002.86

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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.