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Finding the Fourth Proportional to 93,235.40, 128,665.10 and 50,794.24

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Solution

The fourth proportional to 93,235.40, 128,665.10 and 50,794.24 is: 70,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,235.40 : 128,665.10 = 50,794.24 : x
  2. Step 2: Convert to fraction form
    93,235.40/128,665.10 = 50,794.24/x
  3. Step 3: Cross multiply
    93,235.40x = 128,665.10 × 50,794.24
  4. Step 4: Simplify right side
    93,235.40x = 6,535,445,969.02
  5. Step 5: Solve for x
    x = 6,535,445,969.02/93,235.40
  6. Step 6: Final answer
    x = 70,096.19

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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.