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Finding the Fourth Proportional to 114,369.30, 157,889.38 and 88,818.34

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Solution

The fourth proportional to 114,369.30, 157,889.38 and 88,818.34 is: 122,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,369.30 : 157,889.38 = 88,818.34 : x
  2. Step 2: Convert to fraction form
    114,369.30/157,889.38 = 88,818.34/x
  3. Step 3: Cross multiply
    114,369.30x = 157,889.38 × 88,818.34
  4. Step 4: Simplify right side
    114,369.30x = 14,023,472,635.23
  5. Step 5: Solve for x
    x = 14,023,472,635.23/114,369.30
  6. Step 6: Final answer
    x = 122,615.71

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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.