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Finding the Fourth Proportional to 228,253.44, 315,004.32 and 127,652.16

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Solution

The fourth proportional to 228,253.44, 315,004.32 and 127,652.16 is: 176,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,253.44 : 315,004.32 = 127,652.16 : x
  2. Step 2: Convert to fraction form
    228,253.44/315,004.32 = 127,652.16/x
  3. Step 3: Cross multiply
    228,253.44x = 315,004.32 × 127,652.16
  4. Step 4: Simplify right side
    228,253.44x = 40,210,981,857.33
  5. Step 5: Solve for x
    x = 40,210,981,857.33/228,253.44
  6. Step 6: Final answer
    x = 176,168.13

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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.