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Finding the Fourth Proportional to 86,465.73, 119,323.40 and 48,224.01

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Solution

The fourth proportional to 86,465.73, 119,323.40 and 48,224.01 is: 66,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465.73 : 119,323.40 = 48,224.01 : x
  2. Step 2: Convert to fraction form
    86,465.73/119,323.40 = 48,224.01/x
  3. Step 3: Cross multiply
    86,465.73x = 119,323.40 × 48,224.01
  4. Step 4: Simplify right side
    86,465.73x = 5,754,252,834.83
  5. Step 5: Solve for x
    x = 5,754,252,834.83/86,465.73
  6. Step 6: Final answer
    x = 66,549.52

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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.