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Finding the Fourth Proportional to 77,655.76, 116,503.08 and 25,064.08

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Solution

The fourth proportional to 77,655.76, 116,503.08 and 25,064.08 is: 37,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,655.76 : 116,503.08 = 25,064.08 : x
  2. Step 2: Convert to fraction form
    77,655.76/116,503.08 = 25,064.08/x
  3. Step 3: Cross multiply
    77,655.76x = 116,503.08 × 25,064.08
  4. Step 4: Simplify right side
    77,655.76x = 2,920,042,517.37
  5. Step 5: Solve for x
    x = 2,920,042,517.37/77,655.76
  6. Step 6: Final answer
    x = 37,602.39

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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.