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Finding the Fourth Proportional to 94,028, 129,754.32 and 56,323.04

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Solution

The fourth proportional to 94,028, 129,754.32 and 56,323.04 is: 77,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,028 : 129,754.32 = 56,323.04 : x
  2. Step 2: Convert to fraction form
    94,028/129,754.32 = 56,323.04/x
  3. Step 3: Cross multiply
    94,028x = 129,754.32 × 56,323.04
  4. Step 4: Simplify right side
    94,028x = 7,308,157,755.53
  5. Step 5: Solve for x
    x = 7,308,157,755.53/94,028
  6. Step 6: Final answer
    x = 77,723.21

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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.