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Finding the Fourth Proportional to 368,802.84, 552,854.34 and 132,023.64

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Solution

The fourth proportional to 368,802.84, 552,854.34 and 132,023.64 is: 197,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,802.84 : 552,854.34 = 132,023.64 : x
  2. Step 2: Convert to fraction form
    368,802.84/552,854.34 = 132,023.64/x
  3. Step 3: Cross multiply
    368,802.84x = 552,854.34 × 132,023.64
  4. Step 4: Simplify right side
    368,802.84x = 72,989,842,356.60
  5. Step 5: Solve for x
    x = 72,989,842,356.60/368,802.84
  6. Step 6: Final answer
    x = 197,910.20

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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.