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Finding the Fourth Proportional to 104,688.99, 144,529.98 and 80,113.62

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Solution

The fourth proportional to 104,688.99, 144,529.98 and 80,113.62 is: 110,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,688.99 : 144,529.98 = 80,113.62 : x
  2. Step 2: Convert to fraction form
    104,688.99/144,529.98 = 80,113.62/x
  3. Step 3: Cross multiply
    104,688.99x = 144,529.98 × 80,113.62
  4. Step 4: Simplify right side
    104,688.99x = 11,578,819,896.33
  5. Step 5: Solve for x
    x = 11,578,819,896.33/104,688.99
  6. Step 6: Final answer
    x = 110,602.08

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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.