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Finding the Fourth Proportional to 92,847.44, 128,120.64 and 52,564.16

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Solution

The fourth proportional to 92,847.44, 128,120.64 and 52,564.16 is: 72,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,847.44 : 128,120.64 = 52,564.16 : x
  2. Step 2: Convert to fraction form
    92,847.44/128,120.64 = 52,564.16/x
  3. Step 3: Cross multiply
    92,847.44x = 128,120.64 × 52,564.16
  4. Step 4: Simplify right side
    92,847.44x = 6,734,553,820.26
  5. Step 5: Solve for x
    x = 6,734,553,820.26/92,847.44
  6. Step 6: Final answer
    x = 72,533.54

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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.