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Finding the Fourth Proportional to 239,480.63, 359,220.94 and 97,403.20

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Solution

The fourth proportional to 239,480.63, 359,220.94 and 97,403.20 is: 146,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,480.63 : 359,220.94 = 97,403.20 : x
  2. Step 2: Convert to fraction form
    239,480.63/359,220.94 = 97,403.20/x
  3. Step 3: Cross multiply
    239,480.63x = 359,220.94 × 97,403.20
  4. Step 4: Simplify right side
    239,480.63x = 34,989,268,819.50
  5. Step 5: Solve for x
    x = 34,989,268,819.50/239,480.63
  6. Step 6: Final answer
    x = 146,104.80

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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.