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Finding the Fourth Proportional to 272,007.60, 407,914.20 and 94,520.40

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Solution

The fourth proportional to 272,007.60, 407,914.20 and 94,520.40 is: 141,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,007.60 : 407,914.20 = 94,520.40 : x
  2. Step 2: Convert to fraction form
    272,007.60/407,914.20 = 94,520.40/x
  3. Step 3: Cross multiply
    272,007.60x = 407,914.20 × 94,520.40
  4. Step 4: Simplify right side
    272,007.60x = 38,556,213,349.68
  5. Step 5: Solve for x
    x = 38,556,213,349.68/272,007.60
  6. Step 6: Final answer
    x = 141,746.82

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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.