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Finding the Fourth Proportional to 76,002.99, 104,875.04 and 42,006.89

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Solution

The fourth proportional to 76,002.99, 104,875.04 and 42,006.89 is: 57,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,002.99 : 104,875.04 = 42,006.89 : x
  2. Step 2: Convert to fraction form
    76,002.99/104,875.04 = 42,006.89/x
  3. Step 3: Cross multiply
    76,002.99x = 104,875.04 × 42,006.89
  4. Step 4: Simplify right side
    76,002.99x = 4,405,473,534.62
  5. Step 5: Solve for x
    x = 4,405,473,534.62/76,002.99
  6. Step 6: Final answer
    x = 57,964.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.