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Finding the Fourth Proportional to 303,037.61, 418,172.63 and 167,064.12

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Solution

The fourth proportional to 303,037.61, 418,172.63 and 167,064.12 is: 230,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,037.61 : 418,172.63 = 167,064.12 : x
  2. Step 2: Convert to fraction form
    303,037.61/418,172.63 = 167,064.12/x
  3. Step 3: Cross multiply
    303,037.61x = 418,172.63 × 167,064.12
  4. Step 4: Simplify right side
    303,037.61x = 69,861,641,603.72
  5. Step 5: Solve for x
    x = 69,861,641,603.72/303,037.61
  6. Step 6: Final answer
    x = 230,537.86

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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.