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Finding the Fourth Proportional to 238,558.98, 357,838.26 and 61,065.72

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Solution

The fourth proportional to 238,558.98, 357,838.26 and 61,065.72 is: 91,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,558.98 : 357,838.26 = 61,065.72 : x
  2. Step 2: Convert to fraction form
    238,558.98/357,838.26 = 61,065.72/x
  3. Step 3: Cross multiply
    238,558.98x = 357,838.26 × 61,065.72
  4. Step 4: Simplify right side
    238,558.98x = 21,851,650,990.45
  5. Step 5: Solve for x
    x = 21,851,650,990.45/238,558.98
  6. Step 6: Final answer
    x = 91,598.53

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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.