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Finding the Fourth Proportional to 93,690.69, 140,534.76 and 22,612.74

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Solution

The fourth proportional to 93,690.69, 140,534.76 and 22,612.74 is: 33,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,690.69 : 140,534.76 = 22,612.74 : x
  2. Step 2: Convert to fraction form
    93,690.69/140,534.76 = 22,612.74/x
  3. Step 3: Cross multiply
    93,690.69x = 140,534.76 × 22,612.74
  4. Step 4: Simplify right side
    93,690.69x = 3,177,875,988.84
  5. Step 5: Solve for x
    x = 3,177,875,988.84/93,690.69
  6. Step 6: Final answer
    x = 33,918.80

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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.