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Finding the Fourth Proportional to 210,148.83, 290,006.33 and 114,657.53

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Solution

The fourth proportional to 210,148.83, 290,006.33 and 114,657.53 is: 158,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,148.83 : 290,006.33 = 114,657.53 : x
  2. Step 2: Convert to fraction form
    210,148.83/290,006.33 = 114,657.53/x
  3. Step 3: Cross multiply
    210,148.83x = 290,006.33 × 114,657.53
  4. Step 4: Simplify right side
    210,148.83x = 33,251,407,458.85
  5. Step 5: Solve for x
    x = 33,251,407,458.85/210,148.83
  6. Step 6: Final answer
    x = 158,227.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.