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Finding the Fourth Proportional to 85,733.32, 118,308.72 and 48,005.68

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Solution

The fourth proportional to 85,733.32, 118,308.72 and 48,005.68 is: 66,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,733.32 : 118,308.72 = 48,005.68 : x
  2. Step 2: Convert to fraction form
    85,733.32/118,308.72 = 48,005.68/x
  3. Step 3: Cross multiply
    85,733.32x = 118,308.72 × 48,005.68
  4. Step 4: Simplify right side
    85,733.32x = 5,679,490,553.53
  5. Step 5: Solve for x
    x = 5,679,490,553.53/85,733.32
  6. Step 6: Final answer
    x = 66,246.01

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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.