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Finding the Fourth Proportional to 201,552.10, 302,425.35 and 142,260.10

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Solution

The fourth proportional to 201,552.10, 302,425.35 and 142,260.10 is: 213,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,552.10 : 302,425.35 = 142,260.10 : x
  2. Step 2: Convert to fraction form
    201,552.10/302,425.35 = 142,260.10/x
  3. Step 3: Cross multiply
    201,552.10x = 302,425.35 × 142,260.10
  4. Step 4: Simplify right side
    201,552.10x = 43,023,060,533.54
  5. Step 5: Solve for x
    x = 43,023,060,533.54/201,552.10
  6. Step 6: Final answer
    x = 213,458.76

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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.