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Finding the Fourth Proportional to 114,785.68, 158,435.52 and 74,497.10

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Solution

The fourth proportional to 114,785.68, 158,435.52 and 74,497.10 is: 102,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,785.68 : 158,435.52 = 74,497.10 : x
  2. Step 2: Convert to fraction form
    114,785.68/158,435.52 = 74,497.10/x
  3. Step 3: Cross multiply
    114,785.68x = 158,435.52 × 74,497.10
  4. Step 4: Simplify right side
    114,785.68x = 11,802,986,776.99
  5. Step 5: Solve for x
    x = 11,802,986,776.99/114,785.68
  6. Step 6: Final answer
    x = 102,826.30

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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.