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Finding the Fourth Proportional to 97,713,241.20, 146,569,861.80 and 25,909,657.20

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Solution

The fourth proportional to 97,713,241.20, 146,569,861.80 and 25,909,657.20 is: 38,864,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,713,241.20 : 146,569,861.80 = 25,909,657.20 : x
  2. Step 2: Convert to fraction form
    97,713,241.20/146,569,861.80 = 25,909,657.20/x
  3. Step 3: Cross multiply
    97,713,241.20x = 146,569,861.80 × 25,909,657.20
  4. Step 4: Simplify right side
    97,713,241.20x = 3,797,574,875,089,375
  5. Step 5: Solve for x
    x = 3,797,574,875,089,375/97,713,241.20
  6. Step 6: Final answer
    x = 38,864,485.80

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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.