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Finding the Fourth Proportional to 112,900.84, 169,429.04 and 39,028.84

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Solution

The fourth proportional to 112,900.84, 169,429.04 and 39,028.84 is: 58,570.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,900.84 : 169,429.04 = 39,028.84 : x
  2. Step 2: Convert to fraction form
    112,900.84/169,429.04 = 39,028.84/x
  3. Step 3: Cross multiply
    112,900.84x = 169,429.04 × 39,028.84
  4. Step 4: Simplify right side
    112,900.84x = 6,612,618,893.51
  5. Step 5: Solve for x
    x = 6,612,618,893.51/112,900.84
  6. Step 6: Final answer
    x = 58,570.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.