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Finding the Fourth Proportional to 93,298.78, 128,745.88 and 52,469.01

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Solution

The fourth proportional to 93,298.78, 128,745.88 and 52,469.01 is: 72,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,298.78 : 128,745.88 = 52,469.01 : x
  2. Step 2: Convert to fraction form
    93,298.78/128,745.88 = 52,469.01/x
  3. Step 3: Cross multiply
    93,298.78x = 128,745.88 × 52,469.01
  4. Step 4: Simplify right side
    93,298.78x = 6,755,168,251.21
  5. Step 5: Solve for x
    x = 6,755,168,251.21/93,298.78
  6. Step 6: Final answer
    x = 72,403.61

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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.