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Finding the Fourth Proportional to 93,266.44, 128,710.42 and 50,827.70

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Solution

The fourth proportional to 93,266.44, 128,710.42 and 50,827.70 is: 70,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,266.44 : 128,710.42 = 50,827.70 : x
  2. Step 2: Convert to fraction form
    93,266.44/128,710.42 = 50,827.70/x
  3. Step 3: Cross multiply
    93,266.44x = 128,710.42 × 50,827.70
  4. Step 4: Simplify right side
    93,266.44x = 6,542,054,809.34
  5. Step 5: Solve for x
    x = 6,542,054,809.34/93,266.44
  6. Step 6: Final answer
    x = 70,143.72

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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.