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Finding the Fourth Proportional to 228,138.93, 314,832.42 and 127,536.93

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Solution

The fourth proportional to 228,138.93, 314,832.42 and 127,536.93 is: 176,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,138.93 : 314,832.42 = 127,536.93 : x
  2. Step 2: Convert to fraction form
    228,138.93/314,832.42 = 127,536.93/x
  3. Step 3: Cross multiply
    228,138.93x = 314,832.42 × 127,536.93
  4. Step 4: Simplify right side
    228,138.93x = 40,152,760,311.27
  5. Step 5: Solve for x
    x = 40,152,760,311.27/228,138.93
  6. Step 6: Final answer
    x = 176,001.35

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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.