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Finding the Fourth Proportional to 253,277, 349,528.44 and 138,566.48

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Solution

The fourth proportional to 253,277, 349,528.44 and 138,566.48 is: 191,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,277 : 349,528.44 = 138,566.48 : x
  2. Step 2: Convert to fraction form
    253,277/349,528.44 = 138,566.48/x
  3. Step 3: Cross multiply
    253,277x = 349,528.44 × 138,566.48
  4. Step 4: Simplify right side
    253,277x = 48,432,925,590.69
  5. Step 5: Solve for x
    x = 48,432,925,590.69/253,277
  6. Step 6: Final answer
    x = 191,225.12

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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.