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Finding the Fourth Proportional to 79,312.90, 118,980.29 and 46,048.63

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Solution

The fourth proportional to 79,312.90, 118,980.29 and 46,048.63 is: 69,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,312.90 : 118,980.29 = 46,048.63 : x
  2. Step 2: Convert to fraction form
    79,312.90/118,980.29 = 46,048.63/x
  3. Step 3: Cross multiply
    79,312.90x = 118,980.29 × 46,048.63
  4. Step 4: Simplify right side
    79,312.90x = 5,478,879,351.50
  5. Step 5: Solve for x
    x = 5,478,879,351.50/79,312.90
  6. Step 6: Final answer
    x = 69,079.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.