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Finding the Fourth Proportional to 93,965.76, 140,870.88 and 34,790.40

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Solution

The fourth proportional to 93,965.76, 140,870.88 and 34,790.40 is: 52,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,965.76 : 140,870.88 = 34,790.40 : x
  2. Step 2: Convert to fraction form
    93,965.76/140,870.88 = 34,790.40/x
  3. Step 3: Cross multiply
    93,965.76x = 140,870.88 × 34,790.40
  4. Step 4: Simplify right side
    93,965.76x = 4,900,954,263.55
  5. Step 5: Solve for x
    x = 4,900,954,263.55/93,965.76
  6. Step 6: Final answer
    x = 52,156.81

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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.