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Finding the Fourth Proportional to 73,392.65, 110,088.76 and 20,802.59

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Solution

The fourth proportional to 73,392.65, 110,088.76 and 20,802.59 is: 31,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,392.65 : 110,088.76 = 20,802.59 : x
  2. Step 2: Convert to fraction form
    73,392.65/110,088.76 = 20,802.59/x
  3. Step 3: Cross multiply
    73,392.65x = 110,088.76 × 20,802.59
  4. Step 4: Simplify right side
    73,392.65x = 2,290,131,337.89
  5. Step 5: Solve for x
    x = 2,290,131,337.89/73,392.65
  6. Step 6: Final answer
    x = 31,203.82

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1.5x scale

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.