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Finding the Fourth Proportional to 77,960.32, 116,807.04 and 65,560.48

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Solution

The fourth proportional to 77,960.32, 116,807.04 and 65,560.48 is: 98,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,960.32 : 116,807.04 = 65,560.48 : x
  2. Step 2: Convert to fraction form
    77,960.32/116,807.04 = 65,560.48/x
  3. Step 3: Cross multiply
    77,960.32x = 116,807.04 × 65,560.48
  4. Step 4: Simplify right side
    77,960.32x = 7,657,925,609.78
  5. Step 5: Solve for x
    x = 7,657,925,609.78/77,960.32
  6. Step 6: Final answer
    x = 98,228.50

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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.