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Finding the Fourth Proportional to 85,752, 118,337.79 and 48,026.25

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Solution

The fourth proportional to 85,752, 118,337.79 and 48,026.25 is: 66,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,752 : 118,337.79 = 48,026.25 : x
  2. Step 2: Convert to fraction form
    85,752/118,337.79 = 48,026.25/x
  3. Step 3: Cross multiply
    85,752x = 118,337.79 × 48,026.25
  4. Step 4: Simplify right side
    85,752x = 5,683,320,286.99
  5. Step 5: Solve for x
    x = 5,683,320,286.99/85,752
  6. Step 6: Final answer
    x = 66,276.24

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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.