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Finding the Fourth Proportional to 235,362.72, 324,792.64 and 134,741.28

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Solution

The fourth proportional to 235,362.72, 324,792.64 and 134,741.28 is: 185,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,362.72 : 324,792.64 = 134,741.28 : x
  2. Step 2: Convert to fraction form
    235,362.72/324,792.64 = 134,741.28/x
  3. Step 3: Cross multiply
    235,362.72x = 324,792.64 × 134,741.28
  4. Step 4: Simplify right side
    235,362.72x = 43,762,976,048.18
  5. Step 5: Solve for x
    x = 43,762,976,048.18/235,362.72
  6. Step 6: Final answer
    x = 185,938.44

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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.