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Finding the Fourth Proportional to 112,936, 169,360.86 and 38,036.02

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Solution

The fourth proportional to 112,936, 169,360.86 and 38,036.02 is: 57,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,936 : 169,360.86 = 38,036.02 : x
  2. Step 2: Convert to fraction form
    112,936/169,360.86 = 38,036.02/x
  3. Step 3: Cross multiply
    112,936x = 169,360.86 × 38,036.02
  4. Step 4: Simplify right side
    112,936x = 6,441,813,058.18
  5. Step 5: Solve for x
    x = 6,441,813,058.18/112,936
  6. Step 6: Final answer
    x = 57,039.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.