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Finding the Fourth Proportional to 112,041.40, 168,126.90 and 41,927.80

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Solution

The fourth proportional to 112,041.40, 168,126.90 and 41,927.80 is: 62,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,041.40 : 168,126.90 = 41,927.80 : x
  2. Step 2: Convert to fraction form
    112,041.40/168,126.90 = 41,927.80/x
  3. Step 3: Cross multiply
    112,041.40x = 168,126.90 × 41,927.80
  4. Step 4: Simplify right side
    112,041.40x = 7,049,191,037.82
  5. Step 5: Solve for x
    x = 7,049,191,037.82/112,041.40
  6. Step 6: Final answer
    x = 62,915.95

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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.