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Finding the Fourth Proportional to 134,354.16, 185,485.53 and 89,093.64

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Solution

The fourth proportional to 134,354.16, 185,485.53 and 89,093.64 is: 123,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,354.16 : 185,485.53 = 89,093.64 : x
  2. Step 2: Convert to fraction form
    134,354.16/185,485.53 = 89,093.64/x
  3. Step 3: Cross multiply
    134,354.16x = 185,485.53 × 89,093.64
  4. Step 4: Simplify right side
    134,354.16x = 16,525,581,035.03
  5. Step 5: Solve for x
    x = 16,525,581,035.03/134,354.16
  6. Step 6: Final answer
    x = 123,000.14

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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.