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Finding the Fourth Proportional to 118,755.63, 163,875.24 and 65,041.29

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Solution

The fourth proportional to 118,755.63, 163,875.24 and 65,041.29 is: 89,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,755.63 : 163,875.24 = 65,041.29 : x
  2. Step 2: Convert to fraction form
    118,755.63/163,875.24 = 65,041.29/x
  3. Step 3: Cross multiply
    118,755.63x = 163,875.24 × 65,041.29
  4. Step 4: Simplify right side
    118,755.63x = 10,658,657,008.66
  5. Step 5: Solve for x
    x = 10,658,657,008.66/118,755.63
  6. Step 6: Final answer
    x = 89,752.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.