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Finding the Fourth Proportional to 235,448.15, 353,164.39 and 102,328.56

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Solution

The fourth proportional to 235,448.15, 353,164.39 and 102,328.56 is: 153,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,448.15 : 353,164.39 = 102,328.56 : x
  2. Step 2: Convert to fraction form
    235,448.15/353,164.39 = 102,328.56/x
  3. Step 3: Cross multiply
    235,448.15x = 353,164.39 × 102,328.56
  4. Step 4: Simplify right side
    235,448.15x = 36,138,803,216.16
  5. Step 5: Solve for x
    x = 36,138,803,216.16/235,448.15
  6. Step 6: Final answer
    x = 153,489.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.