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Finding the Fourth Proportional to 240,367.34, 331,681.56 and 132,920.30

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Solution

The fourth proportional to 240,367.34, 331,681.56 and 132,920.30 is: 183,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,367.34 : 331,681.56 = 132,920.30 : x
  2. Step 2: Convert to fraction form
    240,367.34/331,681.56 = 132,920.30/x
  3. Step 3: Cross multiply
    240,367.34x = 331,681.56 × 132,920.30
  4. Step 4: Simplify right side
    240,367.34x = 44,087,212,459.67
  5. Step 5: Solve for x
    x = 44,087,212,459.67/240,367.34
  6. Step 6: Final answer
    x = 183,415.99

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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.