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Finding the Fourth Proportional to 172,994.55, 238,378.19 and 127,600.67

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Solution

The fourth proportional to 172,994.55, 238,378.19 and 127,600.67 is: 175,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,994.55 : 238,378.19 = 127,600.67 : x
  2. Step 2: Convert to fraction form
    172,994.55/238,378.19 = 127,600.67/x
  3. Step 3: Cross multiply
    172,994.55x = 238,378.19 × 127,600.67
  4. Step 4: Simplify right side
    172,994.55x = 30,417,214,927.49
  5. Step 5: Solve for x
    x = 30,417,214,927.49/172,994.55
  6. Step 6: Final answer
    x = 175,827.59

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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.