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Finding the Fourth Proportional to 85,047.06, 127,599.42 and 37,655.63

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Solution

The fourth proportional to 85,047.06, 127,599.42 and 37,655.63 is: 56,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,047.06 : 127,599.42 = 37,655.63 : x
  2. Step 2: Convert to fraction form
    85,047.06/127,599.42 = 37,655.63/x
  3. Step 3: Cross multiply
    85,047.06x = 127,599.42 × 37,655.63
  4. Step 4: Simplify right side
    85,047.06x = 4,804,835,909.74
  5. Step 5: Solve for x
    x = 4,804,835,909.74/85,047.06
  6. Step 6: Final answer
    x = 56,496.20

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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.