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Finding the Fourth Proportional to 159,101.51, 238,618.69 and 46,751.21

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Solution

The fourth proportional to 159,101.51, 238,618.69 and 46,751.21 is: 70,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,101.51 : 238,618.69 = 46,751.21 : x
  2. Step 2: Convert to fraction form
    159,101.51/238,618.69 = 46,751.21/x
  3. Step 3: Cross multiply
    159,101.51x = 238,618.69 × 46,751.21
  4. Step 4: Simplify right side
    159,101.51x = 11,155,713,676.17
  5. Step 5: Solve for x
    x = 11,155,713,676.17/159,101.51
  6. Step 6: Final answer
    x = 70,116.96

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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.