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Finding the Fourth Proportional to 117,629.70, 176,444.55 and 51,101.70

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Solution

The fourth proportional to 117,629.70, 176,444.55 and 51,101.70 is: 76,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,629.70 : 176,444.55 = 51,101.70 : x
  2. Step 2: Convert to fraction form
    117,629.70/176,444.55 = 51,101.70/x
  3. Step 3: Cross multiply
    117,629.70x = 176,444.55 × 51,101.70
  4. Step 4: Simplify right side
    117,629.70x = 9,016,616,460.74
  5. Step 5: Solve for x
    x = 9,016,616,460.74/117,629.70
  6. Step 6: Final answer
    x = 76,652.55

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1.5x scale

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.