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Finding the Fourth Proportional to 116,531.81, 174,803.18 and 41,687.40

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Solution

The fourth proportional to 116,531.81, 174,803.18 and 41,687.40 is: 62,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,531.81 : 174,803.18 = 41,687.40 : x
  2. Step 2: Convert to fraction form
    116,531.81/174,803.18 = 41,687.40/x
  3. Step 3: Cross multiply
    116,531.81x = 174,803.18 × 41,687.40
  4. Step 4: Simplify right side
    116,531.81x = 7,287,089,877.50
  5. Step 5: Solve for x
    x = 7,287,089,877.50/116,531.81
  6. Step 6: Final answer
    x = 62,533.06

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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.