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Finding the Fourth Proportional to 172,783.64, 238,443.80 and 96,300.60

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Solution

The fourth proportional to 172,783.64, 238,443.80 and 96,300.60 is: 132,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,783.64 : 238,443.80 = 96,300.60 : x
  2. Step 2: Convert to fraction form
    172,783.64/238,443.80 = 96,300.60/x
  3. Step 3: Cross multiply
    172,783.64x = 238,443.80 × 96,300.60
  4. Step 4: Simplify right side
    172,783.64x = 22,962,281,006.28
  5. Step 5: Solve for x
    x = 22,962,281,006.28/172,783.64
  6. Step 6: Final answer
    x = 132,896.15

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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.