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Finding the Fourth Proportional to 93,612.30, 140,418.45 and 89,004.30

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Solution

The fourth proportional to 93,612.30, 140,418.45 and 89,004.30 is: 133,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,612.30 : 140,418.45 = 89,004.30 : x
  2. Step 2: Convert to fraction form
    93,612.30/140,418.45 = 89,004.30/x
  3. Step 3: Cross multiply
    93,612.30x = 140,418.45 × 89,004.30
  4. Step 4: Simplify right side
    93,612.30x = 12,497,845,849.34
  5. Step 5: Solve for x
    x = 12,497,845,849.34/93,612.30
  6. Step 6: Final answer
    x = 133,506.45

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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.