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Finding the Fourth Proportional to 159,141.48, 238,564.56 and 53,886.84

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Solution

The fourth proportional to 159,141.48, 238,564.56 and 53,886.84 is: 80,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,141.48 : 238,564.56 = 53,886.84 : x
  2. Step 2: Convert to fraction form
    159,141.48/238,564.56 = 53,886.84/x
  3. Step 3: Cross multiply
    159,141.48x = 238,564.56 × 53,886.84
  4. Step 4: Simplify right side
    159,141.48x = 12,855,490,274.39
  5. Step 5: Solve for x
    x = 12,855,490,274.39/159,141.48
  6. Step 6: Final answer
    x = 80,780.26

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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.