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Finding the Fourth Proportional to 303,153, 418,345.52 and 167,199.59

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Solution

The fourth proportional to 303,153, 418,345.52 and 167,199.59 is: 230,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,153 : 418,345.52 = 167,199.59 : x
  2. Step 2: Convert to fraction form
    303,153/418,345.52 = 167,199.59/x
  3. Step 3: Cross multiply
    303,153x = 418,345.52 × 167,199.59
  4. Step 4: Simplify right side
    303,153x = 69,947,196,494.61
  5. Step 5: Solve for x
    x = 69,947,196,494.61/303,153
  6. Step 6: Final answer
    x = 230,732.32

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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.