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Finding the Fourth Proportional to 158,457.52, 218,673.84 and 94,798

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Solution

The fourth proportional to 158,457.52, 218,673.84 and 94,798 is: 130,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,457.52 : 218,673.84 = 94,798 : x
  2. Step 2: Convert to fraction form
    158,457.52/218,673.84 = 94,798/x
  3. Step 3: Cross multiply
    158,457.52x = 218,673.84 × 94,798
  4. Step 4: Simplify right side
    158,457.52x = 20,729,842,684.32
  5. Step 5: Solve for x
    x = 20,729,842,684.32/158,457.52
  6. Step 6: Final answer
    x = 130,822.71

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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.