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Finding the Fourth Proportional to 247,810.58, 341,971.95 and 145,842.05

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Solution

The fourth proportional to 247,810.58, 341,971.95 and 145,842.05 is: 201,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,810.58 : 341,971.95 = 145,842.05 : x
  2. Step 2: Convert to fraction form
    247,810.58/341,971.95 = 145,842.05/x
  3. Step 3: Cross multiply
    247,810.58x = 341,971.95 × 145,842.05
  4. Step 4: Simplify right side
    247,810.58x = 49,873,890,230.50
  5. Step 5: Solve for x
    x = 49,873,890,230.50/247,810.58
  6. Step 6: Final answer
    x = 201,258.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.