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Finding the Fourth Proportional to 79,570, 109,806.72 and 46,038.16

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Solution

The fourth proportional to 79,570, 109,806.72 and 46,038.16 is: 63,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,570 : 109,806.72 = 46,038.16 : x
  2. Step 2: Convert to fraction form
    79,570/109,806.72 = 46,038.16/x
  3. Step 3: Cross multiply
    79,570x = 109,806.72 × 46,038.16
  4. Step 4: Simplify right side
    79,570x = 5,055,299,344.44
  5. Step 5: Solve for x
    x = 5,055,299,344.44/79,570
  6. Step 6: Final answer
    x = 63,532.73

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