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Finding the Fourth Proportional to 148,601.10, 205,066.11 and 84,935.10

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Solution

The fourth proportional to 148,601.10, 205,066.11 and 84,935.10 is: 117,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,601.10 : 205,066.11 = 84,935.10 : x
  2. Step 2: Convert to fraction form
    148,601.10/205,066.11 = 84,935.10/x
  3. Step 3: Cross multiply
    148,601.10x = 205,066.11 × 84,935.10
  4. Step 4: Simplify right side
    148,601.10x = 17,417,310,559.46
  5. Step 5: Solve for x
    x = 17,417,310,559.46/148,601.10
  6. Step 6: Final answer
    x = 117,208.49

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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.