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Finding the Fourth Proportional to 175,833.98, 242,561.70 and 111,194.28

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Solution

The fourth proportional to 175,833.98, 242,561.70 and 111,194.28 is: 153,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,833.98 : 242,561.70 = 111,194.28 : x
  2. Step 2: Convert to fraction form
    175,833.98/242,561.70 = 111,194.28/x
  3. Step 3: Cross multiply
    175,833.98x = 242,561.70 × 111,194.28
  4. Step 4: Simplify right side
    175,833.98x = 26,971,474,084.55
  5. Step 5: Solve for x
    x = 26,971,474,084.55/175,833.98
  6. Step 6: Final answer
    x = 153,391.71

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1.5x scale

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.