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Finding the Fourth Proportional to 255,318.32, 352,354.68 and 147,922.16

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Solution

The fourth proportional to 255,318.32, 352,354.68 and 147,922.16 is: 204,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,318.32 : 352,354.68 = 147,922.16 : x
  2. Step 2: Convert to fraction form
    255,318.32/352,354.68 = 147,922.16/x
  3. Step 3: Cross multiply
    255,318.32x = 352,354.68 × 147,922.16
  4. Step 4: Simplify right side
    255,318.32x = 52,121,065,351.71
  5. Step 5: Solve for x
    x = 52,121,065,351.71/255,318.32
  6. Step 6: Final answer
    x = 204,141.50

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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.