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Finding the Fourth Proportional to 99,485.16, 149,153.16 and 60,033

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Solution

The fourth proportional to 99,485.16, 149,153.16 and 60,033 is: 90,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,485.16 : 149,153.16 = 60,033 : x
  2. Step 2: Convert to fraction form
    99,485.16/149,153.16 = 60,033/x
  3. Step 3: Cross multiply
    99,485.16x = 149,153.16 × 60,033
  4. Step 4: Simplify right side
    99,485.16x = 8,954,111,654.28
  5. Step 5: Solve for x
    x = 8,954,111,654.28/99,485.16
  6. Step 6: Final answer
    x = 90,004.50

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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.