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Finding the Fourth Proportional to 357,135.08, 535,685.27 and 132,539.27

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Solution

The fourth proportional to 357,135.08, 535,685.27 and 132,539.27 is: 198,802.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,135.08 : 535,685.27 = 132,539.27 : x
  2. Step 2: Convert to fraction form
    357,135.08/535,685.27 = 132,539.27/x
  3. Step 3: Cross multiply
    357,135.08x = 535,685.27 × 132,539.27
  4. Step 4: Simplify right side
    357,135.08x = 70,999,331,294.43
  5. Step 5: Solve for x
    x = 70,999,331,294.43/357,135.08
  6. Step 6: Final answer
    x = 198,802.46

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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.