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Finding the Fourth Proportional to 265,702.70, 398,552.54 and 66,023.00

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Solution

The fourth proportional to 265,702.70, 398,552.54 and 66,023.00 is: 99,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,702.70 : 398,552.54 = 66,023.00 : x
  2. Step 2: Convert to fraction form
    265,702.70/398,552.54 = 66,023.00/x
  3. Step 3: Cross multiply
    265,702.70x = 398,552.54 × 66,023.00
  4. Step 4: Simplify right side
    265,702.70x = 26,313,632,025.54
  5. Step 5: Solve for x
    x = 26,313,632,025.54/265,702.70
  6. Step 6: Final answer
    x = 99,034.12

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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.