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Finding the Fourth Proportional to 117,232.40, 175,848.60 and 112,113.20

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Solution

The fourth proportional to 117,232.40, 175,848.60 and 112,113.20 is: 168,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,232.40 : 175,848.60 = 112,113.20 : x
  2. Step 2: Convert to fraction form
    117,232.40/175,848.60 = 112,113.20/x
  3. Step 3: Cross multiply
    117,232.40x = 175,848.60 × 112,113.20
  4. Step 4: Simplify right side
    117,232.40x = 19,714,949,261.52
  5. Step 5: Solve for x
    x = 19,714,949,261.52/117,232.40
  6. Step 6: Final answer
    x = 168,169.80

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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.