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Finding the Fourth Proportional to 88,203.12, 132,347.34 and 54,914.28

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Solution

The fourth proportional to 88,203.12, 132,347.34 and 54,914.28 is: 82,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,203.12 : 132,347.34 = 54,914.28 : x
  2. Step 2: Convert to fraction form
    88,203.12/132,347.34 = 54,914.28/x
  3. Step 3: Cross multiply
    88,203.12x = 132,347.34 × 54,914.28
  4. Step 4: Simplify right side
    88,203.12x = 7,267,758,886.02
  5. Step 5: Solve for x
    x = 7,267,758,886.02/88,203.12
  6. Step 6: Final answer
    x = 82,397.98

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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.