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Finding the Fourth Proportional to 63,133.60, 94,802.80 and 45,725.60

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Solution

The fourth proportional to 63,133.60, 94,802.80 and 45,725.60 is: 68,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,133.60 : 94,802.80 = 45,725.60 : x
  2. Step 2: Convert to fraction form
    63,133.60/94,802.80 = 45,725.60/x
  3. Step 3: Cross multiply
    63,133.60x = 94,802.80 × 45,725.60
  4. Step 4: Simplify right side
    63,133.60x = 4,334,914,911.68
  5. Step 5: Solve for x
    x = 4,334,914,911.68/63,133.60
  6. Step 6: Final answer
    x = 68,662.56

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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.