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Finding the Fourth Proportional to 72,366.44, 108,362.72 and 49,946.32

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Solution

The fourth proportional to 72,366.44, 108,362.72 and 49,946.32 is: 74,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,366.44 : 108,362.72 = 49,946.32 : x
  2. Step 2: Convert to fraction form
    72,366.44/108,362.72 = 49,946.32/x
  3. Step 3: Cross multiply
    72,366.44x = 108,362.72 × 49,946.32
  4. Step 4: Simplify right side
    72,366.44x = 5,412,319,089.19
  5. Step 5: Solve for x
    x = 5,412,319,089.19/72,366.44
  6. Step 6: Final answer
    x = 74,790.46

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1.5x scale

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.