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Finding the Fourth Proportional to 250,561.35, 375,663.46 and 117,368.95

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Solution

The fourth proportional to 250,561.35, 375,663.46 and 117,368.95 is: 175,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,561.35 : 375,663.46 = 117,368.95 : x
  2. Step 2: Convert to fraction form
    250,561.35/375,663.46 = 117,368.95/x
  3. Step 3: Cross multiply
    250,561.35x = 375,663.46 × 117,368.95
  4. Step 4: Simplify right side
    250,561.35x = 44,091,223,975.25
  5. Step 5: Solve for x
    x = 44,091,223,975.25/250,561.35
  6. Step 6: Final answer
    x = 175,969.78

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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.