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Finding the Fourth Proportional to 148,560.87, 205,028.01 and 84,886.32

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Solution

The fourth proportional to 148,560.87, 205,028.01 and 84,886.32 is: 117,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,560.87 : 205,028.01 = 84,886.32 : x
  2. Step 2: Convert to fraction form
    148,560.87/205,028.01 = 84,886.32/x
  3. Step 3: Cross multiply
    148,560.87x = 205,028.01 × 84,886.32
  4. Step 4: Simplify right side
    148,560.87x = 17,404,073,265.82
  5. Step 5: Solve for x
    x = 17,404,073,265.82/148,560.87
  6. Step 6: Final answer
    x = 117,151.13

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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.