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Finding the Fourth Proportional to 235,492.50, 324,988.20 and 134,909.94

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Solution

The fourth proportional to 235,492.50, 324,988.20 and 134,909.94 is: 186,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,492.50 : 324,988.20 = 134,909.94 : x
  2. Step 2: Convert to fraction form
    235,492.50/324,988.20 = 134,909.94/x
  3. Step 3: Cross multiply
    235,492.50x = 324,988.20 × 134,909.94
  4. Step 4: Simplify right side
    235,492.50x = 43,844,138,562.71
  5. Step 5: Solve for x
    x = 43,844,138,562.71/235,492.50
  6. Step 6: Final answer
    x = 186,180.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.