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Finding the Fourth Proportional to 253,238.71, 349,127.43 and 162,437.04

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Solution

The fourth proportional to 253,238.71, 349,127.43 and 162,437.04 is: 223,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,238.71 : 349,127.43 = 162,437.04 : x
  2. Step 2: Convert to fraction form
    253,238.71/349,127.43 = 162,437.04/x
  3. Step 3: Cross multiply
    253,238.71x = 349,127.43 × 162,437.04
  4. Step 4: Simplify right side
    253,238.71x = 56,711,226,312.01
  5. Step 5: Solve for x
    x = 56,711,226,312.01/253,238.71
  6. Step 6: Final answer
    x = 223,943.75

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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.