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Finding the Fourth Proportional to 93,922.64, 129,615.50 and 51,483.50

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Solution

The fourth proportional to 93,922.64, 129,615.50 and 51,483.50 is: 71,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,922.64 : 129,615.50 = 51,483.50 : x
  2. Step 2: Convert to fraction form
    93,922.64/129,615.50 = 51,483.50/x
  3. Step 3: Cross multiply
    93,922.64x = 129,615.50 × 51,483.50
  4. Step 4: Simplify right side
    93,922.64x = 6,673,059,594.25
  5. Step 5: Solve for x
    x = 6,673,059,594.25/93,922.64
  6. Step 6: Final answer
    x = 71,048.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.