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Finding the Fourth Proportional to 117,055.76, 175,601.88 and 38,151.68

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Solution

The fourth proportional to 117,055.76, 175,601.88 and 38,151.68 is: 57,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,055.76 : 175,601.88 = 38,151.68 : x
  2. Step 2: Convert to fraction form
    117,055.76/175,601.88 = 38,151.68/x
  3. Step 3: Cross multiply
    117,055.76x = 175,601.88 × 38,151.68
  4. Step 4: Simplify right side
    117,055.76x = 6,699,506,733.16
  5. Step 5: Solve for x
    x = 6,699,506,733.16/117,055.76
  6. Step 6: Final answer
    x = 57,233.46

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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.