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Finding the Fourth Proportional to 139,592.00, 209,303.64 and 62,640.95

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Solution

The fourth proportional to 139,592.00, 209,303.64 and 62,640.95 is: 93,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,592.00 : 209,303.64 = 62,640.95 : x
  2. Step 2: Convert to fraction form
    139,592.00/209,303.64 = 62,640.95/x
  3. Step 3: Cross multiply
    139,592.00x = 209,303.64 × 62,640.95
  4. Step 4: Simplify right side
    139,592.00x = 13,110,979,371.32
  5. Step 5: Solve for x
    x = 13,110,979,371.32/139,592.00
  6. Step 6: Final answer
    x = 93,923.57

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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.