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Finding the Fourth Proportional to 145,373.80, 200,586.44 and 84,932.77

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Solution

The fourth proportional to 145,373.80, 200,586.44 and 84,932.77 is: 117,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,373.80 : 200,586.44 = 84,932.77 : x
  2. Step 2: Convert to fraction form
    145,373.80/200,586.44 = 84,932.77/x
  3. Step 3: Cross multiply
    145,373.80x = 200,586.44 × 84,932.77
  4. Step 4: Simplify right side
    145,373.80x = 17,036,361,973.64
  5. Step 5: Solve for x
    x = 17,036,361,973.64/145,373.80
  6. Step 6: Final answer
    x = 117,190.04

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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.