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Finding the Fourth Proportional to 172,527.96, 238,088.08 and 97,076.46

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Solution

The fourth proportional to 172,527.96, 238,088.08 and 97,076.46 is: 133,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,527.96 : 238,088.08 = 97,076.46 : x
  2. Step 2: Convert to fraction form
    172,527.96/238,088.08 = 97,076.46/x
  3. Step 3: Cross multiply
    172,527.96x = 238,088.08 × 97,076.46
  4. Step 4: Simplify right side
    172,527.96x = 23,112,747,974.60
  5. Step 5: Solve for x
    x = 23,112,747,974.60/172,527.96
  6. Step 6: Final answer
    x = 133,965.23

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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.