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Finding the Fourth Proportional to 88,475.96, 122,216.26 and 70,695.64

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Solution

The fourth proportional to 88,475.96, 122,216.26 and 70,695.64 is: 97,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,475.96 : 122,216.26 = 70,695.64 : x
  2. Step 2: Convert to fraction form
    88,475.96/122,216.26 = 70,695.64/x
  3. Step 3: Cross multiply
    88,475.96x = 122,216.26 × 70,695.64
  4. Step 4: Simplify right side
    88,475.96x = 8,640,156,719.11
  5. Step 5: Solve for x
    x = 8,640,156,719.11/88,475.96
  6. Step 6: Final answer
    x = 97,655.42

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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.