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Finding the Fourth Proportional to 174,671.40, 262,007.10 and 121,527.30

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Solution

The fourth proportional to 174,671.40, 262,007.10 and 121,527.30 is: 182,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,671.40 : 262,007.10 = 121,527.30 : x
  2. Step 2: Convert to fraction form
    174,671.40/262,007.10 = 121,527.30/x
  3. Step 3: Cross multiply
    174,671.40x = 262,007.10 × 121,527.30
  4. Step 4: Simplify right side
    174,671.40x = 31,841,015,443.83
  5. Step 5: Solve for x
    x = 31,841,015,443.83/174,671.40
  6. Step 6: Final answer
    x = 182,290.95

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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.