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Finding the Fourth Proportional to 93,645.99, 129,230.64 and 51,204.83

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Solution

The fourth proportional to 93,645.99, 129,230.64 and 51,204.83 is: 70,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,645.99 : 129,230.64 = 51,204.83 : x
  2. Step 2: Convert to fraction form
    93,645.99/129,230.64 = 51,204.83/x
  3. Step 3: Cross multiply
    93,645.99x = 129,230.64 × 51,204.83
  4. Step 4: Simplify right side
    93,645.99x = 6,617,232,305.84
  5. Step 5: Solve for x
    x = 6,617,232,305.84/93,645.99
  6. Step 6: Final answer
    x = 70,662.21

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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.