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Finding the Fourth Proportional to 163,818.90, 245,739.51 and 55,704.24

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Solution

The fourth proportional to 163,818.90, 245,739.51 and 55,704.24 is: 83,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,818.90 : 245,739.51 = 55,704.24 : x
  2. Step 2: Convert to fraction form
    163,818.90/245,739.51 = 55,704.24/x
  3. Step 3: Cross multiply
    163,818.90x = 245,739.51 × 55,704.24
  4. Step 4: Simplify right side
    163,818.90x = 13,688,732,642.52
  5. Step 5: Solve for x
    x = 13,688,732,642.52/163,818.90
  6. Step 6: Final answer
    x = 83,560.15

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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.