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Finding the Fourth Proportional to 79,572, 109,809.48 and 46,040.16

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Solution

The fourth proportional to 79,572, 109,809.48 and 46,040.16 is: 63,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,572 : 109,809.48 = 46,040.16 : x
  2. Step 2: Convert to fraction form
    79,572/109,809.48 = 46,040.16/x
  3. Step 3: Cross multiply
    79,572x = 109,809.48 × 46,040.16
  4. Step 4: Simplify right side
    79,572x = 5,055,646,028.72
  5. Step 5: Solve for x
    x = 5,055,646,028.72/79,572
  6. Step 6: Final answer
    x = 63,535.49

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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.