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Finding the Fourth Proportional to 95,280.64, 131,477.80 and 55,007.40

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Solution

The fourth proportional to 95,280.64, 131,477.80 and 55,007.40 is: 75,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,280.64 : 131,477.80 = 55,007.40 : x
  2. Step 2: Convert to fraction form
    95,280.64/131,477.80 = 55,007.40/x
  3. Step 3: Cross multiply
    95,280.64x = 131,477.80 × 55,007.40
  4. Step 4: Simplify right side
    95,280.64x = 7,232,251,935.72
  5. Step 5: Solve for x
    x = 7,232,251,935.72/95,280.64
  6. Step 6: Final answer
    x = 75,904.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.