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Finding the Fourth Proportional to 93,792.30, 140,622.84 and 47,019.66

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Solution

The fourth proportional to 93,792.30, 140,622.84 and 47,019.66 is: 70,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,792.30 : 140,622.84 = 47,019.66 : x
  2. Step 2: Convert to fraction form
    93,792.30/140,622.84 = 47,019.66/x
  3. Step 3: Cross multiply
    93,792.30x = 140,622.84 × 47,019.66
  4. Step 4: Simplify right side
    93,792.30x = 6,612,038,125.03
  5. Step 5: Solve for x
    x = 6,612,038,125.03/93,792.30
  6. Step 6: Final answer
    x = 70,496.60

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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.