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Finding the Fourth Proportional to 117,124.66, 175,719.84 and 47,053.18

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Solution

The fourth proportional to 117,124.66, 175,719.84 and 47,053.18 is: 70,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,124.66 : 175,719.84 = 47,053.18 : x
  2. Step 2: Convert to fraction form
    117,124.66/175,719.84 = 47,053.18/x
  3. Step 3: Cross multiply
    117,124.66x = 175,719.84 × 47,053.18
  4. Step 4: Simplify right side
    117,124.66x = 8,268,177,261.09
  5. Step 5: Solve for x
    x = 8,268,177,261.09/117,124.66
  6. Step 6: Final answer
    x = 70,592.97

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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.