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Finding the Fourth Proportional to 357,356.88, 536,173.80 and 157,536.12

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Solution

The fourth proportional to 357,356.88, 536,173.80 and 157,536.12 is: 236,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,356.88 : 536,173.80 = 157,536.12 : x
  2. Step 2: Convert to fraction form
    357,356.88/536,173.80 = 157,536.12/x
  3. Step 3: Cross multiply
    357,356.88x = 536,173.80 × 157,536.12
  4. Step 4: Simplify right side
    357,356.88x = 84,466,740,097.66
  5. Step 5: Solve for x
    x = 84,466,740,097.66/357,356.88
  6. Step 6: Final answer
    x = 236,365.23

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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.