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Finding the Fourth Proportional to 74,804.80, 112,121.88 and 46,737.76

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Solution

The fourth proportional to 74,804.80, 112,121.88 and 46,737.76 is: 70,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804.80 : 112,121.88 = 46,737.76 : x
  2. Step 2: Convert to fraction form
    74,804.80/112,121.88 = 46,737.76/x
  3. Step 3: Cross multiply
    74,804.80x = 112,121.88 × 46,737.76
  4. Step 4: Simplify right side
    74,804.80x = 5,240,325,518.19
  5. Step 5: Solve for x
    x = 5,240,325,518.19/74,804.80
  6. Step 6: Final answer
    x = 70,053.33

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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.