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Finding the Fourth Proportional to 168,802.86, 232,938.81 and 93,346.50

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Solution

The fourth proportional to 168,802.86, 232,938.81 and 93,346.50 is: 128,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,802.86 : 232,938.81 = 93,346.50 : x
  2. Step 2: Convert to fraction form
    168,802.86/232,938.81 = 93,346.50/x
  3. Step 3: Cross multiply
    168,802.86x = 232,938.81 × 93,346.50
  4. Step 4: Simplify right side
    168,802.86x = 21,744,022,627.67
  5. Step 5: Solve for x
    x = 21,744,022,627.67/168,802.86
  6. Step 6: Final answer
    x = 128,813.12

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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.