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Finding the Fourth Proportional to 117,807.72, 176,746.41 and 67,923.60

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Solution

The fourth proportional to 117,807.72, 176,746.41 and 67,923.60 is: 101,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,807.72 : 176,746.41 = 67,923.60 : x
  2. Step 2: Convert to fraction form
    117,807.72/176,746.41 = 67,923.60/x
  3. Step 3: Cross multiply
    117,807.72x = 176,746.41 × 67,923.60
  4. Step 4: Simplify right side
    117,807.72x = 12,005,252,454.28
  5. Step 5: Solve for x
    x = 12,005,252,454.28/117,807.72
  6. Step 6: Final answer
    x = 101,905.48

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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.