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Finding the Fourth Proportional to 93,047.76, 128,402.24 and 50,606.24

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Solution

The fourth proportional to 93,047.76, 128,402.24 and 50,606.24 is: 69,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,047.76 : 128,402.24 = 50,606.24 : x
  2. Step 2: Convert to fraction form
    93,047.76/128,402.24 = 50,606.24/x
  3. Step 3: Cross multiply
    93,047.76x = 128,402.24 × 50,606.24
  4. Step 4: Simplify right side
    93,047.76x = 6,497,954,573.98
  5. Step 5: Solve for x
    x = 6,497,954,573.98/93,047.76
  6. Step 6: Final answer
    x = 69,834.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.