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Finding the Fourth Proportional to 133,652.50, 184,440.45 and 74,048.02

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Solution

The fourth proportional to 133,652.50, 184,440.45 and 74,048.02 is: 102,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,652.50 : 184,440.45 = 74,048.02 : x
  2. Step 2: Convert to fraction form
    133,652.50/184,440.45 = 74,048.02/x
  3. Step 3: Cross multiply
    133,652.50x = 184,440.45 × 74,048.02
  4. Step 4: Simplify right side
    133,652.50x = 13,657,450,130.41
  5. Step 5: Solve for x
    x = 13,657,450,130.41/133,652.50
  6. Step 6: Final answer
    x = 102,186.27

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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.