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Finding the Fourth Proportional to 134,235.76, 185,247.48 and 73,809.04

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Solution

The fourth proportional to 134,235.76, 185,247.48 and 73,809.04 is: 101,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,235.76 : 185,247.48 = 73,809.04 : x
  2. Step 2: Convert to fraction form
    134,235.76/185,247.48 = 73,809.04/x
  3. Step 3: Cross multiply
    134,235.76x = 185,247.48 × 73,809.04
  4. Step 4: Simplify right side
    134,235.76x = 13,672,938,661.22
  5. Step 5: Solve for x
    x = 13,672,938,661.22/134,235.76
  6. Step 6: Final answer
    x = 101,857.65

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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.