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Finding the Fourth Proportional to 259,368.94, 357,929.14 and 140,136.94

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Solution

The fourth proportional to 259,368.94, 357,929.14 and 140,136.94 is: 193,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,368.94 : 357,929.14 = 140,136.94 : x
  2. Step 2: Convert to fraction form
    259,368.94/357,929.14 = 140,136.94/x
  3. Step 3: Cross multiply
    259,368.94x = 357,929.14 × 140,136.94
  4. Step 4: Simplify right side
    259,368.94x = 50,159,093,171.27
  5. Step 5: Solve for x
    x = 50,159,093,171.27/259,368.94
  6. Step 6: Final answer
    x = 193,388.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.