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Finding the Fourth Proportional to 199,628.79, 299,140.20 and 146,356.24

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Solution

The fourth proportional to 199,628.79, 299,140.20 and 146,356.24 is: 219,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,628.79 : 299,140.20 = 146,356.24 : x
  2. Step 2: Convert to fraction form
    199,628.79/299,140.20 = 146,356.24/x
  3. Step 3: Cross multiply
    199,628.79x = 299,140.20 × 146,356.24
  4. Step 4: Simplify right side
    199,628.79x = 43,781,034,157.00
  5. Step 5: Solve for x
    x = 43,781,034,157.00/199,628.79
  6. Step 6: Final answer
    x = 219,312.23

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1.5x scale

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.