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Finding the Fourth Proportional to 187,952.96, 259,376.72 and 103,069.28

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Solution

The fourth proportional to 187,952.96, 259,376.72 and 103,069.28 is: 142,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,952.96 : 259,376.72 = 103,069.28 : x
  2. Step 2: Convert to fraction form
    187,952.96/259,376.72 = 103,069.28/x
  3. Step 3: Cross multiply
    187,952.96x = 259,376.72 × 103,069.28
  4. Step 4: Simplify right side
    187,952.96x = 26,733,771,779.16
  5. Step 5: Solve for x
    x = 26,733,771,779.16/187,952.96
  6. Step 6: Final answer
    x = 142,236.50

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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.