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Finding the Fourth Proportional to 202,820.20, 304,230.30 and 124,023.40

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Solution

The fourth proportional to 202,820.20, 304,230.30 and 124,023.40 is: 186,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,820.20 : 304,230.30 = 124,023.40 : x
  2. Step 2: Convert to fraction form
    202,820.20/304,230.30 = 124,023.40/x
  3. Step 3: Cross multiply
    202,820.20x = 304,230.30 × 124,023.40
  4. Step 4: Simplify right side
    202,820.20x = 37,731,676,189.02
  5. Step 5: Solve for x
    x = 37,731,676,189.02/202,820.20
  6. Step 6: Final answer
    x = 186,035.10

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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.