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Finding the Fourth Proportional to 114,437.64, 157,942.26 and 66,718.92

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Solution

The fourth proportional to 114,437.64, 157,942.26 and 66,718.92 is: 92,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,437.64 : 157,942.26 = 66,718.92 : x
  2. Step 2: Convert to fraction form
    114,437.64/157,942.26 = 66,718.92/x
  3. Step 3: Cross multiply
    114,437.64x = 157,942.26 × 66,718.92
  4. Step 4: Simplify right side
    114,437.64x = 10,537,737,009.56
  5. Step 5: Solve for x
    x = 10,537,737,009.56/114,437.64
  6. Step 6: Final answer
    x = 92,082.79

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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.