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Finding the Fourth Proportional to 252,499.74, 348,450.84 and 139,322.52

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Solution

The fourth proportional to 252,499.74, 348,450.84 and 139,322.52 is: 192,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,499.74 : 348,450.84 = 139,322.52 : x
  2. Step 2: Convert to fraction form
    252,499.74/348,450.84 = 139,322.52/x
  3. Step 3: Cross multiply
    252,499.74x = 348,450.84 × 139,322.52
  4. Step 4: Simplify right side
    252,499.74x = 48,547,049,124.92
  5. Step 5: Solve for x
    x = 48,547,049,124.92/252,499.74
  6. Step 6: Final answer
    x = 192,265.74

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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.