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Finding the Fourth Proportional to 233,275.76, 349,705.27 and 91,087.96

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Solution

The fourth proportional to 233,275.76, 349,705.27 and 91,087.96 is: 136,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,275.76 : 349,705.27 = 91,087.96 : x
  2. Step 2: Convert to fraction form
    233,275.76/349,705.27 = 91,087.96/x
  3. Step 3: Cross multiply
    233,275.76x = 349,705.27 × 91,087.96
  4. Step 4: Simplify right side
    233,275.76x = 31,853,938,543.57
  5. Step 5: Solve for x
    x = 31,853,938,543.57/233,275.76
  6. Step 6: Final answer
    x = 136,550.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.