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Finding the Fourth Proportional to 174,681.80, 262,022.70 and 161,851.40

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Solution

The fourth proportional to 174,681.80, 262,022.70 and 161,851.40 is: 242,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,681.80 : 262,022.70 = 161,851.40 : x
  2. Step 2: Convert to fraction form
    174,681.80/262,022.70 = 161,851.40/x
  3. Step 3: Cross multiply
    174,681.80x = 262,022.70 × 161,851.40
  4. Step 4: Simplify right side
    174,681.80x = 42,408,740,826.78
  5. Step 5: Solve for x
    x = 42,408,740,826.78/174,681.80
  6. Step 6: Final answer
    x = 242,777.10

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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.