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Finding the Fourth Proportional to 238,518.81, 357,776.46 and 61,025.40

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Solution

The fourth proportional to 238,518.81, 357,776.46 and 61,025.40 is: 91,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,518.81 : 357,776.46 = 61,025.40 : x
  2. Step 2: Convert to fraction form
    238,518.81/357,776.46 = 61,025.40/x
  3. Step 3: Cross multiply
    238,518.81x = 357,776.46 × 61,025.40
  4. Step 4: Simplify right side
    238,518.81x = 21,833,451,582.08
  5. Step 5: Solve for x
    x = 21,833,451,582.08/238,518.81
  6. Step 6: Final answer
    x = 91,537.65

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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.