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Finding the Fourth Proportional to 166,035.16, 248,731.69 and 139,060.90

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Solution

The fourth proportional to 166,035.16, 248,731.69 and 139,060.90 is: 208,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,035.16 : 248,731.69 = 139,060.90 : x
  2. Step 2: Convert to fraction form
    166,035.16/248,731.69 = 139,060.90/x
  3. Step 3: Cross multiply
    166,035.16x = 248,731.69 × 139,060.90
  4. Step 4: Simplify right side
    166,035.16x = 34,588,850,730.96
  5. Step 5: Solve for x
    x = 34,588,850,730.96/166,035.16
  6. Step 6: Final answer
    x = 208,322.45

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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.