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Finding the Fourth Proportional to 72,263.63, 108,439.18 and 30,710.63

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Solution

The fourth proportional to 72,263.63, 108,439.18 and 30,710.63 is: 46,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,263.63 : 108,439.18 = 30,710.63 : x
  2. Step 2: Convert to fraction form
    72,263.63/108,439.18 = 30,710.63/x
  3. Step 3: Cross multiply
    72,263.63x = 108,439.18 × 30,710.63
  4. Step 4: Simplify right side
    72,263.63x = 3,330,235,534.48
  5. Step 5: Solve for x
    x = 3,330,235,534.48/72,263.63
  6. Step 6: Final answer
    x = 46,084.53

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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.