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Finding the Fourth Proportional to 169,783.32, 234,329.85 and 98,206.86

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Solution

The fourth proportional to 169,783.32, 234,329.85 and 98,206.86 is: 135,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,783.32 : 234,329.85 = 98,206.86 : x
  2. Step 2: Convert to fraction form
    169,783.32/234,329.85 = 98,206.86/x
  3. Step 3: Cross multiply
    169,783.32x = 234,329.85 × 98,206.86
  4. Step 4: Simplify right side
    169,783.32x = 23,012,798,772.77
  5. Step 5: Solve for x
    x = 23,012,798,772.77/169,783.32
  6. Step 6: Final answer
    x = 135,542.16

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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.