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Finding the Fourth Proportional to 192,369.52, 265,464.96 and 107,487.28

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Solution

The fourth proportional to 192,369.52, 265,464.96 and 107,487.28 is: 148,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,369.52 : 265,464.96 = 107,487.28 : x
  2. Step 2: Convert to fraction form
    192,369.52/265,464.96 = 107,487.28/x
  3. Step 3: Cross multiply
    192,369.52x = 265,464.96 × 107,487.28
  4. Step 4: Simplify right side
    192,369.52x = 28,534,106,485.71
  5. Step 5: Solve for x
    x = 28,534,106,485.71/192,369.52
  6. Step 6: Final answer
    x = 148,329.67

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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.