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Finding the Fourth Proportional to 140,688.27, 210,968.46 and 60,688.44

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Solution

The fourth proportional to 140,688.27, 210,968.46 and 60,688.44 is: 91,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,688.27 : 210,968.46 = 60,688.44 : x
  2. Step 2: Convert to fraction form
    140,688.27/210,968.46 = 60,688.44/x
  3. Step 3: Cross multiply
    140,688.27x = 210,968.46 × 60,688.44
  4. Step 4: Simplify right side
    140,688.27x = 12,803,346,726.60
  5. Step 5: Solve for x
    x = 12,803,346,726.60/140,688.27
  6. Step 6: Final answer
    x = 91,005.08

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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.