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Finding the Fourth Proportional to 93,323.78, 139,986.20 and 23,203.10

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Solution

The fourth proportional to 93,323.78, 139,986.20 and 23,203.10 is: 34,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,323.78 : 139,986.20 = 23,203.10 : x
  2. Step 2: Convert to fraction form
    93,323.78/139,986.20 = 23,203.10/x
  3. Step 3: Cross multiply
    93,323.78x = 139,986.20 × 23,203.10
  4. Step 4: Simplify right side
    93,323.78x = 3,248,113,797.22
  5. Step 5: Solve for x
    x = 3,248,113,797.22/93,323.78
  6. Step 6: Final answer
    x = 34,804.78

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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.