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Finding the Fourth Proportional to 93,258.81, 139,859.06 and 40,615.29

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Solution

The fourth proportional to 93,258.81, 139,859.06 and 40,615.29 is: 60,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,258.81 : 139,859.06 = 40,615.29 : x
  2. Step 2: Convert to fraction form
    93,258.81/139,859.06 = 40,615.29/x
  3. Step 3: Cross multiply
    93,258.81x = 139,859.06 × 40,615.29
  4. Step 4: Simplify right side
    93,258.81x = 5,680,416,077.95
  5. Step 5: Solve for x
    x = 5,680,416,077.95/93,258.81
  6. Step 6: Final answer
    x = 60,910.24

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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.