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Finding the Fourth Proportional to 85,907.32, 118,558.02 and 48,184

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Solution

The fourth proportional to 85,907.32, 118,558.02 and 48,184 is: 66,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,907.32 : 118,558.02 = 48,184 : x
  2. Step 2: Convert to fraction form
    85,907.32/118,558.02 = 48,184/x
  3. Step 3: Cross multiply
    85,907.32x = 118,558.02 × 48,184
  4. Step 4: Simplify right side
    85,907.32x = 5,712,599,635.68
  5. Step 5: Solve for x
    x = 5,712,599,635.68/85,907.32
  6. Step 6: Final answer
    x = 66,497.24

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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.