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Finding the Fourth Proportional to 59,117.56, 88,656.89 and 19,664.08

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Solution

The fourth proportional to 59,117.56, 88,656.89 and 19,664.08 is: 29,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,117.56 : 88,656.89 = 19,664.08 : x
  2. Step 2: Convert to fraction form
    59,117.56/88,656.89 = 19,664.08/x
  3. Step 3: Cross multiply
    59,117.56x = 88,656.89 × 19,664.08
  4. Step 4: Simplify right side
    59,117.56x = 1,743,356,177.51
  5. Step 5: Solve for x
    x = 1,743,356,177.51/59,117.56
  6. Step 6: Final answer
    x = 29,489.65

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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.