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Finding the Fourth Proportional to 253,900.74, 380,801.49 and 96,141.51

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Solution

The fourth proportional to 253,900.74, 380,801.49 and 96,141.51 is: 144,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,900.74 : 380,801.49 = 96,141.51 : x
  2. Step 2: Convert to fraction form
    253,900.74/380,801.49 = 96,141.51/x
  3. Step 3: Cross multiply
    253,900.74x = 380,801.49 × 96,141.51
  4. Step 4: Simplify right side
    253,900.74x = 36,610,830,258.85
  5. Step 5: Solve for x
    x = 36,610,830,258.85/253,900.74
  6. Step 6: Final answer
    x = 144,193.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.