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Finding the Fourth Proportional to 126,088.69, 189,132.69 and 37,349.11

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Solution

The fourth proportional to 126,088.69, 189,132.69 and 37,349.11 is: 56,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,088.69 : 189,132.69 = 37,349.11 : x
  2. Step 2: Convert to fraction form
    126,088.69/189,132.69 = 37,349.11/x
  3. Step 3: Cross multiply
    126,088.69x = 189,132.69 × 37,349.11
  4. Step 4: Simplify right side
    126,088.69x = 7,063,938,352.65
  5. Step 5: Solve for x
    x = 7,063,938,352.65/126,088.69
  6. Step 6: Final answer
    x = 56,023.57

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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.