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Finding the Fourth Proportional to 303,119.72, 418,329.06 and 167,166.08

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Solution

The fourth proportional to 303,119.72, 418,329.06 and 167,166.08 is: 230,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,119.72 : 418,329.06 = 167,166.08 : x
  2. Step 2: Convert to fraction form
    303,119.72/418,329.06 = 167,166.08/x
  3. Step 3: Cross multiply
    303,119.72x = 418,329.06 × 167,166.08
  4. Step 4: Simplify right side
    303,119.72x = 69,930,429,110.28
  5. Step 5: Solve for x
    x = 69,930,429,110.28/303,119.72
  6. Step 6: Final answer
    x = 230,702.34

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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.