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Finding the Fourth Proportional to 64,683,863.60, 97,025,795.40 and 59,393,073.20

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Solution

The fourth proportional to 64,683,863.60, 97,025,795.40 and 59,393,073.20 is: 89,089,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,683,863.60 : 97,025,795.40 = 59,393,073.20 : x
  2. Step 2: Convert to fraction form
    64,683,863.60/97,025,795.40 = 59,393,073.20/x
  3. Step 3: Cross multiply
    64,683,863.60x = 97,025,795.40 × 59,393,073.20
  4. Step 4: Simplify right side
    64,683,863.60x = 5,762,660,168,480,424
  5. Step 5: Solve for x
    x = 5,762,660,168,480,424/64,683,863.60
  6. Step 6: Final answer
    x = 89,089,609.80

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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.