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Finding the Fourth Proportional to 114,141.44, 157,476.84 and 66,355.76

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Solution

The fourth proportional to 114,141.44, 157,476.84 and 66,355.76 is: 91,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,141.44 : 157,476.84 = 66,355.76 : x
  2. Step 2: Convert to fraction form
    114,141.44/157,476.84 = 66,355.76/x
  3. Step 3: Cross multiply
    114,141.44x = 157,476.84 × 66,355.76
  4. Step 4: Simplify right side
    114,141.44x = 10,449,495,400.60
  5. Step 5: Solve for x
    x = 10,449,495,400.60/114,141.44
  6. Step 6: Final answer
    x = 91,548.66

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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.