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Finding the Fourth Proportional to 60,210.58, 90,320.01 and 18,088.90

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Solution

The fourth proportional to 60,210.58, 90,320.01 and 18,088.90 is: 27,134.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,210.58 : 90,320.01 = 18,088.90 : x
  2. Step 2: Convert to fraction form
    60,210.58/90,320.01 = 18,088.90/x
  3. Step 3: Cross multiply
    60,210.58x = 90,320.01 × 18,088.90
  4. Step 4: Simplify right side
    60,210.58x = 1,633,789,628.89
  5. Step 5: Solve for x
    x = 1,633,789,628.89/60,210.58
  6. Step 6: Final answer
    x = 27,134.59

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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.