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Finding the Fourth Proportional to 72,872,556.40, 109,314,485.70 and 24,350,583.70

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Solution

The fourth proportional to 72,872,556.40, 109,314,485.70 and 24,350,583.70 is: 36,527,763.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,872,556.40 : 109,314,485.70 = 24,350,583.70 : x
  2. Step 2: Convert to fraction form
    72,872,556.40/109,314,485.70 = 24,350,583.70/x
  3. Step 3: Cross multiply
    72,872,556.40x = 109,314,485.70 × 24,350,583.70
  4. Step 4: Simplify right side
    72,872,556.40x = 2,661,871,533,660,303
  5. Step 5: Solve for x
    x = 2,661,871,533,660,303/72,872,556.40
  6. Step 6: Final answer
    x = 36,527,763.88

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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.