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Finding the Fourth Proportional to 168,929.51, 233,129.81 and 93,478.01

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Solution

The fourth proportional to 168,929.51, 233,129.81 and 93,478.01 is: 129,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,929.51 : 233,129.81 = 93,478.01 : x
  2. Step 2: Convert to fraction form
    168,929.51/233,129.81 = 93,478.01/x
  3. Step 3: Cross multiply
    168,929.51x = 233,129.81 × 93,478.01
  4. Step 4: Simplify right side
    168,929.51x = 21,792,509,778.52
  5. Step 5: Solve for x
    x = 21,792,509,778.52/168,929.51
  6. Step 6: Final answer
    x = 129,003.57

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1.5x scale

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.