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Finding the Fourth Proportional to 148,895.30, 223,321.35 and 43,703.30

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Solution

The fourth proportional to 148,895.30, 223,321.35 and 43,703.30 is: 65,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,895.30 : 223,321.35 = 43,703.30 : x
  2. Step 2: Convert to fraction form
    148,895.30/223,321.35 = 43,703.30/x
  3. Step 3: Cross multiply
    148,895.30x = 223,321.35 × 43,703.30
  4. Step 4: Simplify right side
    148,895.30x = 9,759,879,955.46
  5. Step 5: Solve for x
    x = 9,759,879,955.46/148,895.30
  6. Step 6: Final answer
    x = 65,548.61

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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.