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Finding the Fourth Proportional to 253,689.66, 350,126.01 and 146,257.74

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Solution

The fourth proportional to 253,689.66, 350,126.01 and 146,257.74 is: 201,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,689.66 : 350,126.01 = 146,257.74 : x
  2. Step 2: Convert to fraction form
    253,689.66/350,126.01 = 146,257.74/x
  3. Step 3: Cross multiply
    253,689.66x = 350,126.01 × 146,257.74
  4. Step 4: Simplify right side
    253,689.66x = 51,208,638,937.82
  5. Step 5: Solve for x
    x = 51,208,638,937.82/253,689.66
  6. Step 6: Final answer
    x = 201,855.44

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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.