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Finding the Fourth Proportional to 114,458.96, 157,969.56 and 63,482.96

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Solution

The fourth proportional to 114,458.96, 157,969.56 and 63,482.96 is: 87,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,458.96 : 157,969.56 = 63,482.96 : x
  2. Step 2: Convert to fraction form
    114,458.96/157,969.56 = 63,482.96/x
  3. Step 3: Cross multiply
    114,458.96x = 157,969.56 × 63,482.96
  4. Step 4: Simplify right side
    114,458.96x = 10,028,374,468.85
  5. Step 5: Solve for x
    x = 10,028,374,468.85/114,458.96
  6. Step 6: Final answer
    x = 87,615.46

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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.