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Finding the Fourth Proportional to 180,062.88, 248,485.32 and 99,490.08

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Solution

The fourth proportional to 180,062.88, 248,485.32 and 99,490.08 is: 137,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,062.88 : 248,485.32 = 99,490.08 : x
  2. Step 2: Convert to fraction form
    180,062.88/248,485.32 = 99,490.08/x
  3. Step 3: Cross multiply
    180,062.88x = 248,485.32 × 99,490.08
  4. Step 4: Simplify right side
    180,062.88x = 24,721,824,365.63
  5. Step 5: Solve for x
    x = 24,721,824,365.63/180,062.88
  6. Step 6: Final answer
    x = 137,295.51

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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.