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Finding the Fourth Proportional to 79,645, 119,270.34 and 46,263.88

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Solution

The fourth proportional to 79,645, 119,270.34 and 46,263.88 is: 69,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,645 : 119,270.34 = 46,263.88 : x
  2. Step 2: Convert to fraction form
    79,645/119,270.34 = 46,263.88/x
  3. Step 3: Cross multiply
    79,645x = 119,270.34 × 46,263.88
  4. Step 4: Simplify right side
    79,645x = 5,517,908,697.32
  5. Step 5: Solve for x
    x = 5,517,908,697.32/79,645
  6. Step 6: Final answer
    x = 69,281.29

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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.