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Finding the Fourth Proportional to 210,852.20, 316,424.10 and 151,730.30

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Solution

The fourth proportional to 210,852.20, 316,424.10 and 151,730.30 is: 227,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,852.20 : 316,424.10 = 151,730.30 : x
  2. Step 2: Convert to fraction form
    210,852.20/316,424.10 = 151,730.30/x
  3. Step 3: Cross multiply
    210,852.20x = 316,424.10 × 151,730.30
  4. Step 4: Simplify right side
    210,852.20x = 48,011,123,620.23
  5. Step 5: Solve for x
    x = 48,011,123,620.23/210,852.20
  6. Step 6: Final answer
    x = 227,700.37

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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.