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Finding the Fourth Proportional to 230,989.33, 346,479.90 and 118,603.51

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Solution

The fourth proportional to 230,989.33, 346,479.90 and 118,603.51 is: 177,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,989.33 : 346,479.90 = 118,603.51 : x
  2. Step 2: Convert to fraction form
    230,989.33/346,479.90 = 118,603.51/x
  3. Step 3: Cross multiply
    230,989.33x = 346,479.90 × 118,603.51
  4. Step 4: Simplify right side
    230,989.33x = 41,093,730,973.49
  5. Step 5: Solve for x
    x = 41,093,730,973.49/230,989.33
  6. Step 6: Final answer
    x = 177,903.16

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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.