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Finding the Fourth Proportional to 118,592.64, 163,657.26 and 64,876.68

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Solution

The fourth proportional to 118,592.64, 163,657.26 and 64,876.68 is: 89,529.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,592.64 : 163,657.26 = 64,876.68 : x
  2. Step 2: Convert to fraction form
    118,592.64/163,657.26 = 64,876.68/x
  3. Step 3: Cross multiply
    118,592.64x = 163,657.26 × 64,876.68
  4. Step 4: Simplify right side
    118,592.64x = 10,617,539,686.70
  5. Step 5: Solve for x
    x = 10,617,539,686.70/118,592.64
  6. Step 6: Final answer
    x = 89,529.50

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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.