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Finding the Fourth Proportional to 250,447.04, 375,732 and 72,955.68

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Solution

The fourth proportional to 250,447.04, 375,732 and 72,955.68 is: 109,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,447.04 : 375,732 = 72,955.68 : x
  2. Step 2: Convert to fraction form
    250,447.04/375,732 = 72,955.68/x
  3. Step 3: Cross multiply
    250,447.04x = 375,732 × 72,955.68
  4. Step 4: Simplify right side
    250,447.04x = 27,411,783,557.76
  5. Step 5: Solve for x
    x = 27,411,783,557.76/250,447.04
  6. Step 6: Final answer
    x = 109,451.42

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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.