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Finding the Fourth Proportional to 112,647.48, 168,946.74 and 33,740.52

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Solution

The fourth proportional to 112,647.48, 168,946.74 and 33,740.52 is: 50,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,647.48 : 168,946.74 = 33,740.52 : x
  2. Step 2: Convert to fraction form
    112,647.48/168,946.74 = 33,740.52/x
  3. Step 3: Cross multiply
    112,647.48x = 168,946.74 × 33,740.52
  4. Step 4: Simplify right side
    112,647.48x = 5,700,350,859.90
  5. Step 5: Solve for x
    x = 5,700,350,859.90/112,647.48
  6. Step 6: Final answer
    x = 50,603.45

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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.