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Finding the Fourth Proportional to 93,615.64, 140,350.02 and 46,899.16

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Solution

The fourth proportional to 93,615.64, 140,350.02 and 46,899.16 is: 70,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,615.64 : 140,350.02 = 46,899.16 : x
  2. Step 2: Convert to fraction form
    93,615.64/140,350.02 = 46,899.16/x
  3. Step 3: Cross multiply
    93,615.64x = 140,350.02 × 46,899.16
  4. Step 4: Simplify right side
    93,615.64x = 6,582,298,043.98
  5. Step 5: Solve for x
    x = 6,582,298,043.98/93,615.64
  6. Step 6: Final answer
    x = 70,311.95

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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.