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Finding the Fourth Proportional to 93,703.73, 129,314.21 and 53,416.76

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Solution

The fourth proportional to 93,703.73, 129,314.21 and 53,416.76 is: 73,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,703.73 : 129,314.21 = 53,416.76 : x
  2. Step 2: Convert to fraction form
    93,703.73/129,314.21 = 53,416.76/x
  3. Step 3: Cross multiply
    93,703.73x = 129,314.21 × 53,416.76
  4. Step 4: Simplify right side
    93,703.73x = 6,907,545,206.50
  5. Step 5: Solve for x
    x = 6,907,545,206.50/93,703.73
  6. Step 6: Final answer
    x = 73,716.87

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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.