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Finding the Fourth Proportional to 117,798.60, 176,568.30 and 51,227.40

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Solution

The fourth proportional to 117,798.60, 176,568.30 and 51,227.40 is: 76,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,798.60 : 176,568.30 = 51,227.40 : x
  2. Step 2: Convert to fraction form
    117,798.60/176,568.30 = 51,227.40/x
  3. Step 3: Cross multiply
    117,798.60x = 176,568.30 × 51,227.40
  4. Step 4: Simplify right side
    117,798.60x = 9,045,134,931.42
  5. Step 5: Solve for x
    x = 9,045,134,931.42/117,798.60
  6. Step 6: Final answer
    x = 76,784.74

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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.