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Finding the Fourth Proportional to 235,378.51, 353,070.23 and 93,258.38

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Solution

The fourth proportional to 235,378.51, 353,070.23 and 93,258.38 is: 139,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,378.51 : 353,070.23 = 93,258.38 : x
  2. Step 2: Convert to fraction form
    235,378.51/353,070.23 = 93,258.38/x
  3. Step 3: Cross multiply
    235,378.51x = 353,070.23 × 93,258.38
  4. Step 4: Simplify right side
    235,378.51x = 32,926,755,910.68
  5. Step 5: Solve for x
    x = 32,926,755,910.68/235,378.51
  6. Step 6: Final answer
    x = 139,888.54

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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.