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Finding the Fourth Proportional to 112,412.60, 168,594.60 and 49,232.60

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Solution

The fourth proportional to 112,412.60, 168,594.60 and 49,232.60 is: 73,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,412.60 : 168,594.60 = 49,232.60 : x
  2. Step 2: Convert to fraction form
    112,412.60/168,594.60 = 49,232.60/x
  3. Step 3: Cross multiply
    112,412.60x = 168,594.60 × 49,232.60
  4. Step 4: Simplify right side
    112,412.60x = 8,300,350,503.96
  5. Step 5: Solve for x
    x = 8,300,350,503.96/112,412.60
  6. Step 6: Final answer
    x = 73,838.26

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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.