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Finding the Fourth Proportional to 483,125.53, 724,713.54 and 146,157.70

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Solution

The fourth proportional to 483,125.53, 724,713.54 and 146,157.70 is: 219,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,125.53 : 724,713.54 = 146,157.70 : x
  2. Step 2: Convert to fraction form
    483,125.53/724,713.54 = 146,157.70/x
  3. Step 3: Cross multiply
    483,125.53x = 724,713.54 × 146,157.70
  4. Step 4: Simplify right side
    483,125.53x = 105,922,464,165.26
  5. Step 5: Solve for x
    x = 105,922,464,165.26/483,125.53
  6. Step 6: Final answer
    x = 219,244.19

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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.