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Finding the Fourth Proportional to 64,982,643.42, 97,473,213.36 and 15,798,775.80

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Solution

The fourth proportional to 64,982,643.42, 97,473,213.36 and 15,798,775.80 is: 23,697,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,982,643.42 : 97,473,213.36 = 15,798,775.80 : x
  2. Step 2: Convert to fraction form
    64,982,643.42/97,473,213.36 = 15,798,775.80/x
  3. Step 3: Cross multiply
    64,982,643.42x = 97,473,213.36 × 15,798,775.80
  4. Step 4: Simplify right side
    64,982,643.42x = 1,539,957,444,380,204.75
  5. Step 5: Solve for x
    x = 1,539,957,444,380,204.75/64,982,643.42
  6. Step 6: Final answer
    x = 23,697,980.93

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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.