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Finding the Fourth Proportional to 98,565.39, 147,848.06 and 23,685.53

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Solution

The fourth proportional to 98,565.39, 147,848.06 and 23,685.53 is: 35,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,565.39 : 147,848.06 = 23,685.53 : x
  2. Step 2: Convert to fraction form
    98,565.39/147,848.06 = 23,685.53/x
  3. Step 3: Cross multiply
    98,565.39x = 147,848.06 × 23,685.53
  4. Step 4: Simplify right side
    98,565.39x = 3,501,859,745.58
  5. Step 5: Solve for x
    x = 3,501,859,745.58/98,565.39
  6. Step 6: Final answer
    x = 35,528.29

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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.