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Finding the Fourth Proportional to 174,775.79, 261,981.89 and 118,620.48

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Solution

The fourth proportional to 174,775.79, 261,981.89 and 118,620.48 is: 177,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,775.79 : 261,981.89 = 118,620.48 : x
  2. Step 2: Convert to fraction form
    174,775.79/261,981.89 = 118,620.48/x
  3. Step 3: Cross multiply
    174,775.79x = 261,981.89 × 118,620.48
  4. Step 4: Simplify right side
    174,775.79x = 31,076,417,543.11
  5. Step 5: Solve for x
    x = 31,076,417,543.11/174,775.79
  6. Step 6: Final answer
    x = 177,807.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.