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Finding the Fourth Proportional to 73,792.76, 110,113.60 and 65,840.64

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Solution

The fourth proportional to 73,792.76, 110,113.60 and 65,840.64 is: 98,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,792.76 : 110,113.60 = 65,840.64 : x
  2. Step 2: Convert to fraction form
    73,792.76/110,113.60 = 65,840.64/x
  3. Step 3: Cross multiply
    73,792.76x = 110,113.60 × 65,840.64
  4. Step 4: Simplify right side
    73,792.76x = 7,249,949,896.70
  5. Step 5: Solve for x
    x = 7,249,949,896.70/73,792.76
  6. Step 6: Final answer
    x = 98,247.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.