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Finding the Fourth Proportional to 93,083.01, 128,455.11 and 50,641.84

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Solution

The fourth proportional to 93,083.01, 128,455.11 and 50,641.84 is: 69,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,083.01 : 128,455.11 = 50,641.84 : x
  2. Step 2: Convert to fraction form
    93,083.01/128,455.11 = 50,641.84/x
  3. Step 3: Cross multiply
    93,083.01x = 128,455.11 × 50,641.84
  4. Step 4: Simplify right side
    93,083.01x = 6,505,203,127.80
  5. Step 5: Solve for x
    x = 6,505,203,127.80/93,083.01
  6. Step 6: Final answer
    x = 69,886.05

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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.