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Finding the Fourth Proportional to 59,176.80, 81,656.64 and 33,686.46

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Solution

The fourth proportional to 59,176.80, 81,656.64 and 33,686.46 is: 46,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,176.80 : 81,656.64 = 33,686.46 : x
  2. Step 2: Convert to fraction form
    59,176.80/81,656.64 = 33,686.46/x
  3. Step 3: Cross multiply
    59,176.80x = 81,656.64 × 33,686.46
  4. Step 4: Simplify right side
    59,176.80x = 2,750,723,137.09
  5. Step 5: Solve for x
    x = 2,750,723,137.09/59,176.80
  6. Step 6: Final answer
    x = 46,483.13

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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.