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Finding the Fourth Proportional to 114,732.94, 158,342.70 and 66,336.93

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Solution

The fourth proportional to 114,732.94, 158,342.70 and 66,336.93 is: 91,551.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,732.94 : 158,342.70 = 66,336.93 : x
  2. Step 2: Convert to fraction form
    114,732.94/158,342.70 = 66,336.93/x
  3. Step 3: Cross multiply
    114,732.94x = 158,342.70 × 66,336.93
  4. Step 4: Simplify right side
    114,732.94x = 10,503,968,605.91
  5. Step 5: Solve for x
    x = 10,503,968,605.91/114,732.94
  6. Step 6: Final answer
    x = 91,551.46

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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.