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Finding the Fourth Proportional to 118,015.17, 176,929.80 and 58,820.37

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Solution

The fourth proportional to 118,015.17, 176,929.80 and 58,820.37 is: 88,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,015.17 : 176,929.80 = 58,820.37 : x
  2. Step 2: Convert to fraction form
    118,015.17/176,929.80 = 58,820.37/x
  3. Step 3: Cross multiply
    118,015.17x = 176,929.80 × 58,820.37
  4. Step 4: Simplify right side
    118,015.17x = 10,407,076,300.03
  5. Step 5: Solve for x
    x = 10,407,076,300.03/118,015.17
  6. Step 6: Final answer
    x = 88,184.22

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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.