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Finding the Fourth Proportional to 93,915.70, 140,861.22 and 46,512.34

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Solution

The fourth proportional to 93,915.70, 140,861.22 and 46,512.34 is: 69,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,915.70 : 140,861.22 = 46,512.34 : x
  2. Step 2: Convert to fraction form
    93,915.70/140,861.22 = 46,512.34/x
  3. Step 3: Cross multiply
    93,915.70x = 140,861.22 × 46,512.34
  4. Step 4: Simplify right side
    93,915.70x = 6,551,784,957.45
  5. Step 5: Solve for x
    x = 6,551,784,957.45/93,915.70
  6. Step 6: Final answer
    x = 69,762.40

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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.