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Finding the Fourth Proportional to 144,696.48, 199,657.92 and 81,036.96

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Solution

The fourth proportional to 144,696.48, 199,657.92 and 81,036.96 is: 111,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,696.48 : 199,657.92 = 81,036.96 : x
  2. Step 2: Convert to fraction form
    144,696.48/199,657.92 = 81,036.96/x
  3. Step 3: Cross multiply
    144,696.48x = 199,657.92 × 81,036.96
  4. Step 4: Simplify right side
    144,696.48x = 16,179,670,876.72
  5. Step 5: Solve for x
    x = 16,179,670,876.72/144,696.48
  6. Step 6: Final answer
    x = 111,818.00

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1.5x scale

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.