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Finding the Fourth Proportional to 145,506.37, 218,186.18 and 44,285.00

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Solution

The fourth proportional to 145,506.37, 218,186.18 and 44,285.00 is: 66,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,506.37 : 218,186.18 = 44,285.00 : x
  2. Step 2: Convert to fraction form
    145,506.37/218,186.18 = 44,285.00/x
  3. Step 3: Cross multiply
    145,506.37x = 218,186.18 × 44,285.00
  4. Step 4: Simplify right side
    145,506.37x = 9,662,375,062.31
  5. Step 5: Solve for x
    x = 9,662,375,062.31/145,506.37
  6. Step 6: Final answer
    x = 66,405.17

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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.