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Finding the Fourth Proportional to 201,632.70, 302,449.05 and 141,498.30

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Solution

The fourth proportional to 201,632.70, 302,449.05 and 141,498.30 is: 212,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,632.70 : 302,449.05 = 141,498.30 : x
  2. Step 2: Convert to fraction form
    201,632.70/302,449.05 = 141,498.30/x
  3. Step 3: Cross multiply
    201,632.70x = 302,449.05 × 141,498.30
  4. Step 4: Simplify right side
    201,632.70x = 42,796,026,411.62
  5. Step 5: Solve for x
    x = 42,796,026,411.62/201,632.70
  6. Step 6: Final answer
    x = 212,247.45

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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.