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Finding the Fourth Proportional to 190,010.64, 284,973.84 and 84,762.48

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Solution

The fourth proportional to 190,010.64, 284,973.84 and 84,762.48 is: 127,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,010.64 : 284,973.84 = 84,762.48 : x
  2. Step 2: Convert to fraction form
    190,010.64/284,973.84 = 84,762.48/x
  3. Step 3: Cross multiply
    190,010.64x = 284,973.84 × 84,762.48
  4. Step 4: Simplify right side
    190,010.64x = 24,155,089,413.52
  5. Step 5: Solve for x
    x = 24,155,089,413.52/190,010.64
  6. Step 6: Final answer
    x = 127,124.93

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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.