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Finding the Fourth Proportional to 114,070.98, 157,415.22 and 66,340.92

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Solution

The fourth proportional to 114,070.98, 157,415.22 and 66,340.92 is: 91,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,070.98 : 157,415.22 = 66,340.92 : x
  2. Step 2: Convert to fraction form
    114,070.98/157,415.22 = 66,340.92/x
  3. Step 3: Cross multiply
    114,070.98x = 157,415.22 × 66,340.92
  4. Step 4: Simplify right side
    114,070.98x = 10,443,070,516.80
  5. Step 5: Solve for x
    x = 10,443,070,516.80/114,070.98
  6. Step 6: Final answer
    x = 91,548.88

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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.