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Finding the Fourth Proportional to 112,672.48, 168,998.64 and 33,804.32

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Solution

The fourth proportional to 112,672.48, 168,998.64 and 33,804.32 is: 50,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,672.48 : 168,998.64 = 33,804.32 : x
  2. Step 2: Convert to fraction form
    112,672.48/168,998.64 = 33,804.32/x
  3. Step 3: Cross multiply
    112,672.48x = 168,998.64 × 33,804.32
  4. Step 4: Simplify right side
    112,672.48x = 5,712,884,106.12
  5. Step 5: Solve for x
    x = 5,712,884,106.12/112,672.48
  6. Step 6: Final answer
    x = 50,703.46

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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.