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Finding the Fourth Proportional to 126,655.55, 189,954.92 and 37,897.67

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Solution

The fourth proportional to 126,655.55, 189,954.92 and 37,897.67 is: 56,838.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,655.55 : 189,954.92 = 37,897.67 : x
  2. Step 2: Convert to fraction form
    126,655.55/189,954.92 = 37,897.67/x
  3. Step 3: Cross multiply
    126,655.55x = 189,954.92 × 37,897.67
  4. Step 4: Simplify right side
    126,655.55x = 7,198,849,442.67
  5. Step 5: Solve for x
    x = 7,198,849,442.67/126,655.55
  6. Step 6: Final answer
    x = 56,838.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.