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Finding the Fourth Proportional to 88,592.34, 122,256.54 and 48,306

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Solution

The fourth proportional to 88,592.34, 122,256.54 and 48,306 is: 66,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,592.34 : 122,256.54 = 48,306 : x
  2. Step 2: Convert to fraction form
    88,592.34/122,256.54 = 48,306/x
  3. Step 3: Cross multiply
    88,592.34x = 122,256.54 × 48,306
  4. Step 4: Simplify right side
    88,592.34x = 5,905,724,421.24
  5. Step 5: Solve for x
    x = 5,905,724,421.24/88,592.34
  6. Step 6: Final answer
    x = 66,661.80

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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.