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Finding the Fourth Proportional to 223,603.63, 335,405.45 and 153,269.71

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Solution

The fourth proportional to 223,603.63, 335,405.45 and 153,269.71 is: 229,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,603.63 : 335,405.45 = 153,269.71 : x
  2. Step 2: Convert to fraction form
    223,603.63/335,405.45 = 153,269.71/x
  3. Step 3: Cross multiply
    223,603.63x = 335,405.45 × 153,269.71
  4. Step 4: Simplify right side
    223,603.63x = 51,407,496,053.92
  5. Step 5: Solve for x
    x = 51,407,496,053.92/223,603.63
  6. Step 6: Final answer
    x = 229,904.57

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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.