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Finding the Fourth Proportional to 79,328.16, 118,933.92 and 37,804.32

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Solution

The fourth proportional to 79,328.16, 118,933.92 and 37,804.32 is: 56,678.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,328.16 : 118,933.92 = 37,804.32 : x
  2. Step 2: Convert to fraction form
    79,328.16/118,933.92 = 37,804.32/x
  3. Step 3: Cross multiply
    79,328.16x = 118,933.92 × 37,804.32
  4. Step 4: Simplify right side
    79,328.16x = 4,496,215,970.53
  5. Step 5: Solve for x
    x = 4,496,215,970.53/79,328.16
  6. Step 6: Final answer
    x = 56,678.69

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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.