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Finding the Fourth Proportional to 255,572.58, 383,358.87 and 161,881.50

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Solution

The fourth proportional to 255,572.58, 383,358.87 and 161,881.50 is: 242,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,572.58 : 383,358.87 = 161,881.50 : x
  2. Step 2: Convert to fraction form
    255,572.58/383,358.87 = 161,881.50/x
  3. Step 3: Cross multiply
    255,572.58x = 383,358.87 × 161,881.50
  4. Step 4: Simplify right side
    255,572.58x = 62,058,708,913.91
  5. Step 5: Solve for x
    x = 62,058,708,913.91/255,572.58
  6. Step 6: Final answer
    x = 242,822.25

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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.