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Finding the Fourth Proportional to 79,152, 118,624.32 and 44,108.16

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Solution

The fourth proportional to 79,152, 118,624.32 and 44,108.16 is: 66,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152 : 118,624.32 = 44,108.16 : x
  2. Step 2: Convert to fraction form
    79,152/118,624.32 = 44,108.16/x
  3. Step 3: Cross multiply
    79,152x = 118,624.32 × 44,108.16
  4. Step 4: Simplify right side
    79,152x = 5,232,300,486.45
  5. Step 5: Solve for x
    x = 5,232,300,486.45/79,152
  6. Step 6: Final answer
    x = 66,104.46

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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.