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Finding the Fourth Proportional to 157,989.60, 218,028.24 and 94,332.96

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Solution

The fourth proportional to 157,989.60, 218,028.24 and 94,332.96 is: 130,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,989.60 : 218,028.24 = 94,332.96 : x
  2. Step 2: Convert to fraction form
    157,989.60/218,028.24 = 94,332.96/x
  3. Step 3: Cross multiply
    157,989.60x = 218,028.24 × 94,332.96
  4. Step 4: Simplify right side
    157,989.60x = 20,567,249,242.79
  5. Step 5: Solve for x
    x = 20,567,249,242.79/157,989.60
  6. Step 6: Final answer
    x = 130,181.03

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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.