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Finding the Fourth Proportional to 93,093.17, 128,481.86 and 52,261.61

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Solution

The fourth proportional to 93,093.17, 128,481.86 and 52,261.61 is: 72,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,093.17 : 128,481.86 = 52,261.61 : x
  2. Step 2: Convert to fraction form
    93,093.17/128,481.86 = 52,261.61/x
  3. Step 3: Cross multiply
    93,093.17x = 128,481.86 × 52,261.61
  4. Step 4: Simplify right side
    93,093.17x = 6,714,668,347.64
  5. Step 5: Solve for x
    x = 6,714,668,347.64/93,093.17
  6. Step 6: Final answer
    x = 72,128.48

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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.