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Finding the Fourth Proportional to 118,925.64, 164,134.14 and 73,618.20

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Solution

The fourth proportional to 118,925.64, 164,134.14 and 73,618.20 is: 101,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,925.64 : 164,134.14 = 73,618.20 : x
  2. Step 2: Convert to fraction form
    118,925.64/164,134.14 = 73,618.20/x
  3. Step 3: Cross multiply
    118,925.64x = 164,134.14 × 73,618.20
  4. Step 4: Simplify right side
    118,925.64x = 12,083,259,945.35
  5. Step 5: Solve for x
    x = 12,083,259,945.35/118,925.64
  6. Step 6: Final answer
    x = 101,603.49

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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.