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Finding the Fourth Proportional to 261,015.94, 360,236.25 and 147,842.50

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Solution

The fourth proportional to 261,015.94, 360,236.25 and 147,842.50 is: 204,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015.94 : 360,236.25 = 147,842.50 : x
  2. Step 2: Convert to fraction form
    261,015.94/360,236.25 = 147,842.50/x
  3. Step 3: Cross multiply
    261,015.94x = 360,236.25 × 147,842.50
  4. Step 4: Simplify right side
    261,015.94x = 53,258,227,790.63
  5. Step 5: Solve for x
    x = 53,258,227,790.63/261,015.94
  6. Step 6: Final answer
    x = 204,042.05

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1.5x scale

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.