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Finding the Fourth Proportional to 245,759.49, 368,659.69 and 65,870.51

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Solution

The fourth proportional to 245,759.49, 368,659.69 and 65,870.51 is: 98,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,759.49 : 368,659.69 = 65,870.51 : x
  2. Step 2: Convert to fraction form
    245,759.49/368,659.69 = 65,870.51/x
  3. Step 3: Cross multiply
    245,759.49x = 368,659.69 × 65,870.51
  4. Step 4: Simplify right side
    245,759.49x = 24,283,799,788.77
  5. Step 5: Solve for x
    x = 24,283,799,788.77/245,759.49
  6. Step 6: Final answer
    x = 98,811.24

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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.