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Finding the Fourth Proportional to 93,357.56, 128,833.44 and 50,916.09

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Solution

The fourth proportional to 93,357.56, 128,833.44 and 50,916.09 is: 70,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,357.56 : 128,833.44 = 50,916.09 : x
  2. Step 2: Convert to fraction form
    93,357.56/128,833.44 = 50,916.09/x
  3. Step 3: Cross multiply
    93,357.56x = 128,833.44 × 50,916.09
  4. Step 4: Simplify right side
    93,357.56x = 6,559,695,318.24
  5. Step 5: Solve for x
    x = 6,559,695,318.24/93,357.56
  6. Step 6: Final answer
    x = 70,264.21

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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.