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Finding the Fourth Proportional to 301,070.54, 451,605.81 and 101,374.21

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Solution

The fourth proportional to 301,070.54, 451,605.81 and 101,374.21 is: 152,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,070.54 : 451,605.81 = 101,374.21 : x
  2. Step 2: Convert to fraction form
    301,070.54/451,605.81 = 101,374.21/x
  3. Step 3: Cross multiply
    301,070.54x = 451,605.81 × 101,374.21
  4. Step 4: Simplify right side
    301,070.54x = 45,781,179,962.13
  5. Step 5: Solve for x
    x = 45,781,179,962.13/301,070.54
  6. Step 6: Final answer
    x = 152,061.31

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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.