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Finding the Fourth Proportional to 174,670.80, 262,006.20 and 121,526.70

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Solution

The fourth proportional to 174,670.80, 262,006.20 and 121,526.70 is: 182,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,670.80 : 262,006.20 = 121,526.70 : x
  2. Step 2: Convert to fraction form
    174,670.80/262,006.20 = 121,526.70/x
  3. Step 3: Cross multiply
    174,670.80x = 262,006.20 × 121,526.70
  4. Step 4: Simplify right side
    174,670.80x = 31,840,748,865.54
  5. Step 5: Solve for x
    x = 31,840,748,865.54/174,670.80
  6. Step 6: Final answer
    x = 182,290.05

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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.