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Finding the Fourth Proportional to 64,089,238.65, 96,133,859.07 and 15,566,765.48

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Solution

The fourth proportional to 64,089,238.65, 96,133,859.07 and 15,566,765.48 is: 23,350,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,089,238.65 : 96,133,859.07 = 15,566,765.48 : x
  2. Step 2: Convert to fraction form
    64,089,238.65/96,133,859.07 = 15,566,765.48/x
  3. Step 3: Cross multiply
    64,089,238.65x = 96,133,859.07 × 15,566,765.48
  4. Step 4: Simplify right side
    64,089,238.65x = 1,496,493,238,349,391.50
  5. Step 5: Solve for x
    x = 1,496,493,238,349,391.50/64,089,238.65
  6. Step 6: Final answer
    x = 23,350,148.48

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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.