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Finding the Fourth Proportional to 93,059, 128,423.04 and 50,618.24

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Solution

The fourth proportional to 93,059, 128,423.04 and 50,618.24 is: 69,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,059 : 128,423.04 = 50,618.24 : x
  2. Step 2: Convert to fraction form
    93,059/128,423.04 = 50,618.24/x
  3. Step 3: Cross multiply
    93,059x = 128,423.04 × 50,618.24
  4. Step 4: Simplify right side
    93,059x = 6,500,548,260.25
  5. Step 5: Solve for x
    x = 6,500,548,260.25/93,059
  6. Step 6: Final answer
    x = 69,854.05

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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.