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Finding the Fourth Proportional to 238,438.51, 357,656.88 and 60,945.25

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Solution

The fourth proportional to 238,438.51, 357,656.88 and 60,945.25 is: 91,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,438.51 : 357,656.88 = 60,945.25 : x
  2. Step 2: Convert to fraction form
    238,438.51/357,656.88 = 60,945.25/x
  3. Step 3: Cross multiply
    238,438.51x = 357,656.88 × 60,945.25
  4. Step 4: Simplify right side
    238,438.51x = 21,797,487,965.82
  5. Step 5: Solve for x
    x = 21,797,487,965.82/238,438.51
  6. Step 6: Final answer
    x = 91,417.65

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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.