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Finding the Fourth Proportional to 201,680.30, 302,083.05 and 166,688.30

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Solution

The fourth proportional to 201,680.30, 302,083.05 and 166,688.30 is: 249,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,680.30 : 302,083.05 = 166,688.30 : x
  2. Step 2: Convert to fraction form
    201,680.30/302,083.05 = 166,688.30/x
  3. Step 3: Cross multiply
    201,680.30x = 302,083.05 × 166,688.30
  4. Step 4: Simplify right side
    201,680.30x = 50,353,710,063.32
  5. Step 5: Solve for x
    x = 50,353,710,063.32/201,680.30
  6. Step 6: Final answer
    x = 249,670.94

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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.