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Finding the Fourth Proportional to 71,244.80, 98,300.16 and 46,064

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Solution

The fourth proportional to 71,244.80, 98,300.16 and 46,064 is: 63,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,244.80 : 98,300.16 = 46,064 : x
  2. Step 2: Convert to fraction form
    71,244.80/98,300.16 = 46,064/x
  3. Step 3: Cross multiply
    71,244.80x = 98,300.16 × 46,064
  4. Step 4: Simplify right side
    71,244.80x = 4,528,098,570.24
  5. Step 5: Solve for x
    x = 4,528,098,570.24/71,244.80
  6. Step 6: Final answer
    x = 63,556.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.