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Finding the Fourth Proportional to 93,093.42, 128,465.10 and 50,651.97

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Solution

The fourth proportional to 93,093.42, 128,465.10 and 50,651.97 is: 69,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,093.42 : 128,465.10 = 50,651.97 : x
  2. Step 2: Convert to fraction form
    93,093.42/128,465.10 = 50,651.97/x
  3. Step 3: Cross multiply
    93,093.42x = 128,465.10 × 50,651.97
  4. Step 4: Simplify right side
    93,093.42x = 6,507,010,391.25
  5. Step 5: Solve for x
    x = 6,507,010,391.25/93,093.42
  6. Step 6: Final answer
    x = 69,897.64

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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.