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Finding the Fourth Proportional to 230,897.40, 346,346.10 and 141,862.20

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Solution

The fourth proportional to 230,897.40, 346,346.10 and 141,862.20 is: 212,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,897.40 : 346,346.10 = 141,862.20 : x
  2. Step 2: Convert to fraction form
    230,897.40/346,346.10 = 141,862.20/x
  3. Step 3: Cross multiply
    230,897.40x = 346,346.10 × 141,862.20
  4. Step 4: Simplify right side
    230,897.40x = 49,133,419,707.42
  5. Step 5: Solve for x
    x = 49,133,419,707.42/230,897.40
  6. Step 6: Final answer
    x = 212,793.30

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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.