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Finding the Fourth Proportional to 211,483.60, 291,694.36 and 179,602

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Solution

The fourth proportional to 211,483.60, 291,694.36 and 179,602 is: 247,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,483.60 : 291,694.36 = 179,602 : x
  2. Step 2: Convert to fraction form
    211,483.60/291,694.36 = 179,602/x
  3. Step 3: Cross multiply
    211,483.60x = 291,694.36 × 179,602
  4. Step 4: Simplify right side
    211,483.60x = 52,388,890,444.72
  5. Step 5: Solve for x
    x = 52,388,890,444.72/211,483.60
  6. Step 6: Final answer
    x = 247,720.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.