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Finding the Fourth Proportional to 86,300.70, 119,083.95 and 48,567.66

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Solution

The fourth proportional to 86,300.70, 119,083.95 and 48,567.66 is: 67,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,300.70 : 119,083.95 = 48,567.66 : x
  2. Step 2: Convert to fraction form
    86,300.70/119,083.95 = 48,567.66/x
  3. Step 3: Cross multiply
    86,300.70x = 119,083.95 × 48,567.66
  4. Step 4: Simplify right side
    86,300.70x = 5,783,628,795.06
  5. Step 5: Solve for x
    x = 5,783,628,795.06/86,300.70
  6. Step 6: Final answer
    x = 67,017.17

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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.