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Finding the Fourth Proportional to 172,528.96, 238,089.46 and 97,077.46

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Solution

The fourth proportional to 172,528.96, 238,089.46 and 97,077.46 is: 133,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,528.96 : 238,089.46 = 97,077.46 : x
  2. Step 2: Convert to fraction form
    172,528.96/238,089.46 = 97,077.46/x
  3. Step 3: Cross multiply
    172,528.96x = 238,089.46 × 97,077.46
  4. Step 4: Simplify right side
    172,528.96x = 23,113,120,029.57
  5. Step 5: Solve for x
    x = 23,113,120,029.57/172,528.96
  6. Step 6: Final answer
    x = 133,966.61

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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.