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Finding the Fourth Proportional to 261,087.94, 360,274.24 and 153,651.56

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Solution

The fourth proportional to 261,087.94, 360,274.24 and 153,651.56 is: 212,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,087.94 : 360,274.24 = 153,651.56 : x
  2. Step 2: Convert to fraction form
    261,087.94/360,274.24 = 153,651.56/x
  3. Step 3: Cross multiply
    261,087.94x = 360,274.24 × 153,651.56
  4. Step 4: Simplify right side
    261,087.94x = 55,356,699,003.81
  5. Step 5: Solve for x
    x = 55,356,699,003.81/261,087.94
  6. Step 6: Final answer
    x = 212,023.19

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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.