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Finding the Fourth Proportional to 93,679.83, 129,276.56 and 51,237.45

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Solution

The fourth proportional to 93,679.83, 129,276.56 and 51,237.45 is: 70,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,679.83 : 129,276.56 = 51,237.45 : x
  2. Step 2: Convert to fraction form
    93,679.83/129,276.56 = 51,237.45/x
  3. Step 3: Cross multiply
    93,679.83x = 129,276.56 × 51,237.45
  4. Step 4: Simplify right side
    93,679.83x = 6,623,801,022.98
  5. Step 5: Solve for x
    x = 6,623,801,022.98/93,679.83
  6. Step 6: Final answer
    x = 70,706.80

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1.5x scale

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.