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Finding the Fourth Proportional to 336,357.17, 504,537.57 and 87,039.17

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Solution

The fourth proportional to 336,357.17, 504,537.57 and 87,039.17 is: 130,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,357.17 : 504,537.57 = 87,039.17 : x
  2. Step 2: Convert to fraction form
    336,357.17/504,537.57 = 87,039.17/x
  3. Step 3: Cross multiply
    336,357.17x = 504,537.57 × 87,039.17
  4. Step 4: Simplify right side
    336,357.17x = 43,914,528,803.93
  5. Step 5: Solve for x
    x = 43,914,528,803.93/336,357.17
  6. Step 6: Final answer
    x = 130,559.22

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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.