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Finding the Fourth Proportional to 93,274.19, 128,719.29 and 50,833.63

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Solution

The fourth proportional to 93,274.19, 128,719.29 and 50,833.63 is: 70,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,274.19 : 128,719.29 = 50,833.63 : x
  2. Step 2: Convert to fraction form
    93,274.19/128,719.29 = 50,833.63/x
  3. Step 3: Cross multiply
    93,274.19x = 128,719.29 × 50,833.63
  4. Step 4: Simplify right side
    93,274.19x = 6,543,268,761.72
  5. Step 5: Solve for x
    x = 6,543,268,761.72/93,274.19
  6. Step 6: Final answer
    x = 70,150.90

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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.