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Finding the Fourth Proportional to 174,700.80, 262,051.20 and 161,870.40

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Solution

The fourth proportional to 174,700.80, 262,051.20 and 161,870.40 is: 242,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,700.80 : 262,051.20 = 161,870.40 : x
  2. Step 2: Convert to fraction form
    174,700.80/262,051.20 = 161,870.40/x
  3. Step 3: Cross multiply
    174,700.80x = 262,051.20 × 161,870.40
  4. Step 4: Simplify right side
    174,700.80x = 42,418,332,564.48
  5. Step 5: Solve for x
    x = 42,418,332,564.48/174,700.80
  6. Step 6: Final answer
    x = 242,805.60

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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.