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Finding the Fourth Proportional to 112,798.98, 169,192.25 and 37,911.40

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Solution

The fourth proportional to 112,798.98, 169,192.25 and 37,911.40 is: 56,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,798.98 : 169,192.25 = 37,911.40 : x
  2. Step 2: Convert to fraction form
    112,798.98/169,192.25 = 37,911.40/x
  3. Step 3: Cross multiply
    112,798.98x = 169,192.25 × 37,911.40
  4. Step 4: Simplify right side
    112,798.98x = 6,414,314,031.13
  5. Step 5: Solve for x
    x = 6,414,314,031.13/112,798.98
  6. Step 6: Final answer
    x = 56,865.00

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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.