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Finding the Fourth Proportional to 268,095.22, 402,200.69 and 90,598.30

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Solution

The fourth proportional to 268,095.22, 402,200.69 and 90,598.30 is: 135,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,095.22 : 402,200.69 = 90,598.30 : x
  2. Step 2: Convert to fraction form
    268,095.22/402,200.69 = 90,598.30/x
  3. Step 3: Cross multiply
    268,095.22x = 402,200.69 × 90,598.30
  4. Step 4: Simplify right side
    268,095.22x = 36,438,696,308.83
  5. Step 5: Solve for x
    x = 36,438,696,308.83/268,095.22
  6. Step 6: Final answer
    x = 135,917.00

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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.