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Finding the Fourth Proportional to 154,866.98, 230,743.72 and 144,682.76

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Solution

The fourth proportional to 154,866.98, 230,743.72 and 144,682.76 is: 215,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,866.98 : 230,743.72 = 144,682.76 : x
  2. Step 2: Convert to fraction form
    154,866.98/230,743.72 = 144,682.76/x
  3. Step 3: Cross multiply
    154,866.98x = 230,743.72 × 144,682.76
  4. Step 4: Simplify right side
    154,866.98x = 33,384,638,262.27
  5. Step 5: Solve for x
    x = 33,384,638,262.27/154,866.98
  6. Step 6: Final answer
    x = 215,569.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.