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Finding the Fourth Proportional to 114,797.34, 158,417.64 and 66,395.70

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Solution

The fourth proportional to 114,797.34, 158,417.64 and 66,395.70 is: 91,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,797.34 : 158,417.64 = 66,395.70 : x
  2. Step 2: Convert to fraction form
    114,797.34/158,417.64 = 66,395.70/x
  3. Step 3: Cross multiply
    114,797.34x = 158,417.64 × 66,395.70
  4. Step 4: Simplify right side
    114,797.34x = 10,518,250,100.15
  5. Step 5: Solve for x
    x = 10,518,250,100.15/114,797.34
  6. Step 6: Final answer
    x = 91,624.51

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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.