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Finding the Fourth Proportional to 93,203.83, 139,806.65 and 26,643.50

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Solution

The fourth proportional to 93,203.83, 139,806.65 and 26,643.50 is: 39,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,203.83 : 139,806.65 = 26,643.50 : x
  2. Step 2: Convert to fraction form
    93,203.83/139,806.65 = 26,643.50/x
  3. Step 3: Cross multiply
    93,203.83x = 139,806.65 × 26,643.50
  4. Step 4: Simplify right side
    93,203.83x = 3,724,938,479.28
  5. Step 5: Solve for x
    x = 3,724,938,479.28/93,203.83
  6. Step 6: Final answer
    x = 39,965.51

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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.