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Finding the Fourth Proportional to 303,125.88, 418,316.77 and 167,165.26

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Solution

The fourth proportional to 303,125.88, 418,316.77 and 167,165.26 is: 230,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,125.88 : 418,316.77 = 167,165.26 : x
  2. Step 2: Convert to fraction form
    303,125.88/418,316.77 = 167,165.26/x
  3. Step 3: Cross multiply
    303,125.88x = 418,316.77 × 167,165.26
  4. Step 4: Simplify right side
    303,125.88x = 69,928,031,619.41
  5. Step 5: Solve for x
    x = 69,928,031,619.41/303,125.88
  6. Step 6: Final answer
    x = 230,689.74

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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.