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Finding the Fourth Proportional to 93,274.48, 128,719.50 and 50,832.88

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Solution

The fourth proportional to 93,274.48, 128,719.50 and 50,832.88 is: 70,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,274.48 : 128,719.50 = 50,832.88 : x
  2. Step 2: Convert to fraction form
    93,274.48/128,719.50 = 50,832.88/x
  3. Step 3: Cross multiply
    93,274.48x = 128,719.50 × 50,832.88
  4. Step 4: Simplify right side
    93,274.48x = 6,543,182,897.16
  5. Step 5: Solve for x
    x = 6,543,182,897.16/93,274.48
  6. Step 6: Final answer
    x = 70,149.77

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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.