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Finding the Fourth Proportional to 117,053.01, 175,597.74 and 38,148.93

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Solution

The fourth proportional to 117,053.01, 175,597.74 and 38,148.93 is: 57,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,053.01 : 175,597.74 = 38,148.93 : x
  2. Step 2: Convert to fraction form
    117,053.01/175,597.74 = 38,148.93/x
  3. Step 3: Cross multiply
    117,053.01x = 175,597.74 × 38,148.93
  4. Step 4: Simplify right side
    117,053.01x = 6,698,865,891.42
  5. Step 5: Solve for x
    x = 6,698,865,891.42/117,053.01
  6. Step 6: Final answer
    x = 57,229.33

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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.