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Finding the Fourth Proportional to 76,127.99, 114,155.87 and 22,799.34

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Solution

The fourth proportional to 76,127.99, 114,155.87 and 22,799.34 is: 34,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,127.99 : 114,155.87 = 22,799.34 : x
  2. Step 2: Convert to fraction form
    76,127.99/114,155.87 = 22,799.34/x
  3. Step 3: Cross multiply
    76,127.99x = 114,155.87 × 22,799.34
  4. Step 4: Simplify right side
    76,127.99x = 2,602,678,379.13
  5. Step 5: Solve for x
    x = 2,602,678,379.13/76,127.99
  6. Step 6: Final answer
    x = 34,188.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.