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Finding the Fourth Proportional to 93,475, 140,212.80 and 23,354.32

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Solution

The fourth proportional to 93,475, 140,212.80 and 23,354.32 is: 35,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,475 : 140,212.80 = 23,354.32 : x
  2. Step 2: Convert to fraction form
    93,475/140,212.80 = 23,354.32/x
  3. Step 3: Cross multiply
    93,475x = 140,212.80 × 23,354.32
  4. Step 4: Simplify right side
    93,475x = 3,274,574,599.30
  5. Step 5: Solve for x
    x = 3,274,574,599.30/93,475
  6. Step 6: Final answer
    x = 35,031.55

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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.