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Finding the Fourth Proportional to 226,842.72, 312,518.88 and 163,070.16

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Solution

The fourth proportional to 226,842.72, 312,518.88 and 163,070.16 is: 224,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,842.72 : 312,518.88 = 163,070.16 : x
  2. Step 2: Convert to fraction form
    226,842.72/312,518.88 = 163,070.16/x
  3. Step 3: Cross multiply
    226,842.72x = 312,518.88 × 163,070.16
  4. Step 4: Simplify right side
    226,842.72x = 50,962,503,764.62
  5. Step 5: Solve for x
    x = 50,962,503,764.62/226,842.72
  6. Step 6: Final answer
    x = 224,660.08

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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.