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Finding the Fourth Proportional to 126,707.90, 190,068.16 and 37,952.94

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Solution

The fourth proportional to 126,707.90, 190,068.16 and 37,952.94 is: 56,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,707.90 : 190,068.16 = 37,952.94 : x
  2. Step 2: Convert to fraction form
    126,707.90/190,068.16 = 37,952.94/x
  3. Step 3: Cross multiply
    126,707.90x = 190,068.16 × 37,952.94
  4. Step 4: Simplify right side
    126,707.90x = 7,213,645,472.39
  5. Step 5: Solve for x
    x = 7,213,645,472.39/126,707.90
  6. Step 6: Final answer
    x = 56,931.30

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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.