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Finding the Fourth Proportional to 224,843.46, 310,301.66 and 128,051.43

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Solution

The fourth proportional to 224,843.46, 310,301.66 and 128,051.43 is: 176,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,843.46 : 310,301.66 = 128,051.43 : x
  2. Step 2: Convert to fraction form
    224,843.46/310,301.66 = 128,051.43/x
  3. Step 3: Cross multiply
    224,843.46x = 310,301.66 × 128,051.43
  4. Step 4: Simplify right side
    224,843.46x = 39,734,571,294.37
  5. Step 5: Solve for x
    x = 39,734,571,294.37/224,843.46
  6. Step 6: Final answer
    x = 176,721.05

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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.