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Finding the Fourth Proportional to 72,582,402.80, 108,871,271.40 and 24,062,495.60

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Solution

The fourth proportional to 72,582,402.80, 108,871,271.40 and 24,062,495.60 is: 36,092,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,402.80 : 108,871,271.40 = 24,062,495.60 : x
  2. Step 2: Convert to fraction form
    72,582,402.80/108,871,271.40 = 24,062,495.60/x
  3. Step 3: Cross multiply
    72,582,402.80x = 108,871,271.40 × 24,062,495.60
  4. Step 4: Simplify right side
    72,582,402.80x = 2,619,714,489,028,906
  5. Step 5: Solve for x
    x = 2,619,714,489,028,906/72,582,402.80
  6. Step 6: Final answer
    x = 36,092,970.03

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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.