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Finding the Fourth Proportional to 168,783.60, 232,916.76 and 93,329.52

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Solution

The fourth proportional to 168,783.60, 232,916.76 and 93,329.52 is: 128,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,783.60 : 232,916.76 = 93,329.52 : x
  2. Step 2: Convert to fraction form
    168,783.60/232,916.76 = 93,329.52/x
  3. Step 3: Cross multiply
    168,783.60x = 232,916.76 × 93,329.52
  4. Step 4: Simplify right side
    168,783.60x = 21,738,009,410.76
  5. Step 5: Solve for x
    x = 21,738,009,410.76/168,783.60
  6. Step 6: Final answer
    x = 128,792.19

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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.