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Finding the Fourth Proportional to 250,445.04, 375,729 and 72,953.68

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Solution

The fourth proportional to 250,445.04, 375,729 and 72,953.68 is: 109,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,445.04 : 375,729 = 72,953.68 : x
  2. Step 2: Convert to fraction form
    250,445.04/375,729 = 72,953.68/x
  3. Step 3: Cross multiply
    250,445.04x = 375,729 × 72,953.68
  4. Step 4: Simplify right side
    250,445.04x = 27,410,813,232.72
  5. Step 5: Solve for x
    x = 27,410,813,232.72/250,445.04
  6. Step 6: Final answer
    x = 109,448.42

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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.