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Finding the Fourth Proportional to 228,673.52, 315,679.15 and 160,748.72

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Solution

The fourth proportional to 228,673.52, 315,679.15 and 160,748.72 is: 221,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,673.52 : 315,679.15 = 160,748.72 : x
  2. Step 2: Convert to fraction form
    228,673.52/315,679.15 = 160,748.72/x
  3. Step 3: Cross multiply
    228,673.52x = 315,679.15 × 160,748.72
  4. Step 4: Simplify right side
    228,673.52x = 50,745,019,293.19
  5. Step 5: Solve for x
    x = 50,745,019,293.19/228,673.52
  6. Step 6: Final answer
    x = 221,910.34

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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.