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Finding the Fourth Proportional to 117,156.64, 175,733.60 and 47,034.72

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Solution

The fourth proportional to 117,156.64, 175,733.60 and 47,034.72 is: 70,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,156.64 : 175,733.60 = 47,034.72 : x
  2. Step 2: Convert to fraction form
    117,156.64/175,733.60 = 47,034.72/x
  3. Step 3: Cross multiply
    117,156.64x = 175,733.60 × 47,034.72
  4. Step 4: Simplify right side
    117,156.64x = 8,265,580,670.59
  5. Step 5: Solve for x
    x = 8,265,580,670.59/117,156.64
  6. Step 6: Final answer
    x = 70,551.53

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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.