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Finding the Fourth Proportional to 117,598.17, 176,400.60 and 28,851.60

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Solution

The fourth proportional to 117,598.17, 176,400.60 and 28,851.60 is: 43,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,598.17 : 176,400.60 = 28,851.60 : x
  2. Step 2: Convert to fraction form
    117,598.17/176,400.60 = 28,851.60/x
  3. Step 3: Cross multiply
    117,598.17x = 176,400.60 × 28,851.60
  4. Step 4: Simplify right side
    117,598.17x = 5,089,439,550.96
  5. Step 5: Solve for x
    x = 5,089,439,550.96/117,598.17
  6. Step 6: Final answer
    x = 43,278.22

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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.