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Finding the Fourth Proportional to 93,247.83, 128,682.95 and 50,807.07

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Solution

The fourth proportional to 93,247.83, 128,682.95 and 50,807.07 is: 70,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,247.83 : 128,682.95 = 50,807.07 : x
  2. Step 2: Convert to fraction form
    93,247.83/128,682.95 = 50,807.07/x
  3. Step 3: Cross multiply
    93,247.83x = 128,682.95 × 50,807.07
  4. Step 4: Simplify right side
    93,247.83x = 6,538,003,394.42
  5. Step 5: Solve for x
    x = 6,538,003,394.42/93,247.83
  6. Step 6: Final answer
    x = 70,114.27

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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.