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Finding the Fourth Proportional to 64,323.93, 88,810.34 and 40,161.68

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Solution

The fourth proportional to 64,323.93, 88,810.34 and 40,161.68 is: 55,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,323.93 : 88,810.34 = 40,161.68 : x
  2. Step 2: Convert to fraction form
    64,323.93/88,810.34 = 40,161.68/x
  3. Step 3: Cross multiply
    64,323.93x = 88,810.34 × 40,161.68
  4. Step 4: Simplify right side
    64,323.93x = 3,566,772,778.20
  5. Step 5: Solve for x
    x = 3,566,772,778.20/64,323.93
  6. Step 6: Final answer
    x = 55,450.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.