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Finding the Fourth Proportional to 118,809.51, 163,852.43 and 73,480.29

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Solution

The fourth proportional to 118,809.51, 163,852.43 and 73,480.29 is: 101,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,809.51 : 163,852.43 = 73,480.29 : x
  2. Step 2: Convert to fraction form
    118,809.51/163,852.43 = 73,480.29/x
  3. Step 3: Cross multiply
    118,809.51x = 163,852.43 × 73,480.29
  4. Step 4: Simplify right side
    118,809.51x = 12,039,923,254.34
  5. Step 5: Solve for x
    x = 12,039,923,254.34/118,809.51
  6. Step 6: Final answer
    x = 101,338.05

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1.5x scale

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.