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Finding the Fourth Proportional to 176,345.20, 264,517.80 and 51,686.20

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Solution

The fourth proportional to 176,345.20, 264,517.80 and 51,686.20 is: 77,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,345.20 : 264,517.80 = 51,686.20 : x
  2. Step 2: Convert to fraction form
    176,345.20/264,517.80 = 51,686.20/x
  3. Step 3: Cross multiply
    176,345.20x = 264,517.80 × 51,686.20
  4. Step 4: Simplify right side
    176,345.20x = 13,671,919,914.36
  5. Step 5: Solve for x
    x = 13,671,919,914.36/176,345.20
  6. Step 6: Final answer
    x = 77,529.30

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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.