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Finding the Fourth Proportional to 175,272.30, 262,908.45 and 48,912.30

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Solution

The fourth proportional to 175,272.30, 262,908.45 and 48,912.30 is: 73,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,272.30 : 262,908.45 = 48,912.30 : x
  2. Step 2: Convert to fraction form
    175,272.30/262,908.45 = 48,912.30/x
  3. Step 3: Cross multiply
    175,272.30x = 262,908.45 × 48,912.30
  4. Step 4: Simplify right side
    175,272.30x = 12,859,456,978.94
  5. Step 5: Solve for x
    x = 12,859,456,978.94/175,272.30
  6. Step 6: Final answer
    x = 73,368.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.