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Finding the Fourth Proportional to 557,167.60, 835,756.20 and 157,817.20

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Solution

The fourth proportional to 557,167.60, 835,756.20 and 157,817.20 is: 236,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,167.60 : 835,756.20 = 157,817.20 : x
  2. Step 2: Convert to fraction form
    557,167.60/835,756.20 = 157,817.20/x
  3. Step 3: Cross multiply
    557,167.60x = 835,756.20 × 157,817.20
  4. Step 4: Simplify right side
    557,167.60x = 131,896,703,366.64
  5. Step 5: Solve for x
    x = 131,896,703,366.64/557,167.60
  6. Step 6: Final answer
    x = 236,727.16

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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.