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Finding the Fourth Proportional to 93,709.38, 140,563.95 and 30,529.40

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Solution

The fourth proportional to 93,709.38, 140,563.95 and 30,529.40 is: 45,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,709.38 : 140,563.95 = 30,529.40 : x
  2. Step 2: Convert to fraction form
    93,709.38/140,563.95 = 30,529.40/x
  3. Step 3: Cross multiply
    93,709.38x = 140,563.95 × 30,529.40
  4. Step 4: Simplify right side
    93,709.38x = 4,291,333,055.13
  5. Step 5: Solve for x
    x = 4,291,333,055.13/93,709.38
  6. Step 6: Final answer
    x = 45,794.06

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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.