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Finding the Fourth Proportional to 93,618.88, 140,304.12 and 40,971.04

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Solution

The fourth proportional to 93,618.88, 140,304.12 and 40,971.04 is: 61,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,618.88 : 140,304.12 = 40,971.04 : x
  2. Step 2: Convert to fraction form
    93,618.88/140,304.12 = 40,971.04/x
  3. Step 3: Cross multiply
    93,618.88x = 140,304.12 × 40,971.04
  4. Step 4: Simplify right side
    93,618.88x = 5,748,405,712.68
  5. Step 5: Solve for x
    x = 5,748,405,712.68/93,618.88
  6. Step 6: Final answer
    x = 61,402.21

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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.