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Finding the Fourth Proportional to 262,313.91, 362,053.62 and 153,468.72

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Solution

The fourth proportional to 262,313.91, 362,053.62 and 153,468.72 is: 211,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,313.91 : 362,053.62 = 153,468.72 : x
  2. Step 2: Convert to fraction form
    262,313.91/362,053.62 = 153,468.72/x
  3. Step 3: Cross multiply
    262,313.91x = 362,053.62 × 153,468.72
  4. Step 4: Simplify right side
    262,313.91x = 55,563,905,632.77
  5. Step 5: Solve for x
    x = 55,563,905,632.77/262,313.91
  6. Step 6: Final answer
    x = 211,822.19

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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.