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Finding the Fourth Proportional to 118,602.42, 163,614.79 and 73,264.09

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Solution

The fourth proportional to 118,602.42, 163,614.79 and 73,264.09 is: 101,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,602.42 : 163,614.79 = 73,264.09 : x
  2. Step 2: Convert to fraction form
    118,602.42/163,614.79 = 73,264.09/x
  3. Step 3: Cross multiply
    118,602.42x = 163,614.79 × 73,264.09
  4. Step 4: Simplify right side
    118,602.42x = 11,987,088,699.89
  5. Step 5: Solve for x
    x = 11,987,088,699.89/118,602.42
  6. Step 6: Final answer
    x = 101,069.51

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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.