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Finding the Fourth Proportional to 112,048.40, 168,137.40 and 41,934.80

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Solution

The fourth proportional to 112,048.40, 168,137.40 and 41,934.80 is: 62,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,048.40 : 168,137.40 = 41,934.80 : x
  2. Step 2: Convert to fraction form
    112,048.40/168,137.40 = 41,934.80/x
  3. Step 3: Cross multiply
    112,048.40x = 168,137.40 × 41,934.80
  4. Step 4: Simplify right side
    112,048.40x = 7,050,808,241.52
  5. Step 5: Solve for x
    x = 7,050,808,241.52/112,048.40
  6. Step 6: Final answer
    x = 62,926.45

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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.