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Finding the Fourth Proportional to 254,599.32, 351,347.28 and 139,885.36

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Solution

The fourth proportional to 254,599.32, 351,347.28 and 139,885.36 is: 193,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,599.32 : 351,347.28 = 139,885.36 : x
  2. Step 2: Convert to fraction form
    254,599.32/351,347.28 = 139,885.36/x
  3. Step 3: Cross multiply
    254,599.32x = 351,347.28 × 139,885.36
  4. Step 4: Simplify right side
    254,599.32x = 49,148,340,747.82
  5. Step 5: Solve for x
    x = 49,148,340,747.82/254,599.32
  6. Step 6: Final answer
    x = 193,041.92

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