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Finding the Fourth Proportional to 144,657.98, 199,581.89 and 93,709.77

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Solution

The fourth proportional to 144,657.98, 199,581.89 and 93,709.77 is: 129,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,657.98 : 199,581.89 = 93,709.77 : x
  2. Step 2: Convert to fraction form
    144,657.98/199,581.89 = 93,709.77/x
  3. Step 3: Cross multiply
    144,657.98x = 199,581.89 × 93,709.77
  4. Step 4: Simplify right side
    144,657.98x = 18,702,772,484.19
  5. Step 5: Solve for x
    x = 18,702,772,484.19/144,657.98
  6. Step 6: Final answer
    x = 129,289.60

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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.