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Finding the Fourth Proportional to 139,960.58, 209,940.88 and 46,466.33

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Solution

The fourth proportional to 139,960.58, 209,940.88 and 46,466.33 is: 69,699.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,960.58 : 209,940.88 = 46,466.33 : x
  2. Step 2: Convert to fraction form
    139,960.58/209,940.88 = 46,466.33/x
  3. Step 3: Cross multiply
    139,960.58x = 209,940.88 × 46,466.33
  4. Step 4: Simplify right side
    139,960.58x = 9,755,182,210.57
  5. Step 5: Solve for x
    x = 9,755,182,210.57/139,960.58
  6. Step 6: Final answer
    x = 69,699.50

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1.5x scale

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.