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Finding the Fourth Proportional to 125,208.84, 186,696.29 and 111,299.48

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Solution

The fourth proportional to 125,208.84, 186,696.29 and 111,299.48 is: 165,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,208.84 : 186,696.29 = 111,299.48 : x
  2. Step 2: Convert to fraction form
    125,208.84/186,696.29 = 111,299.48/x
  3. Step 3: Cross multiply
    125,208.84x = 186,696.29 × 111,299.48
  4. Step 4: Simplify right side
    125,208.84x = 20,779,199,994.93
  5. Step 5: Solve for x
    x = 20,779,199,994.93/125,208.84
  6. Step 6: Final answer
    x = 165,956.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.