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Finding the Fourth Proportional to 255,526.24, 352,621.56 and 142,346.56

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Solution

The fourth proportional to 255,526.24, 352,621.56 and 142,346.56 is: 196,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,526.24 : 352,621.56 = 142,346.56 : x
  2. Step 2: Convert to fraction form
    255,526.24/352,621.56 = 142,346.56/x
  3. Step 3: Cross multiply
    255,526.24x = 352,621.56 × 142,346.56
  4. Step 4: Simplify right side
    255,526.24x = 50,194,466,047.83
  5. Step 5: Solve for x
    x = 50,194,466,047.83/255,526.24
  6. Step 6: Final answer
    x = 196,435.66

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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.