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Finding the Fourth Proportional to 118,602.36, 177,854.34 and 43,726.76

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Solution

The fourth proportional to 118,602.36, 177,854.34 and 43,726.76 is: 65,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,602.36 : 177,854.34 = 43,726.76 : x
  2. Step 2: Convert to fraction form
    118,602.36/177,854.34 = 43,726.76/x
  3. Step 3: Cross multiply
    118,602.36x = 177,854.34 × 43,726.76
  4. Step 4: Simplify right side
    118,602.36x = 7,776,994,040.14
  5. Step 5: Solve for x
    x = 7,776,994,040.14/118,602.36
  6. Step 6: Final answer
    x = 65,572.00

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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.