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Finding the Fourth Proportional to 118,032.84, 162,883.22 and 64,318.28

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Solution

The fourth proportional to 118,032.84, 162,883.22 and 64,318.28 is: 88,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,032.84 : 162,883.22 = 64,318.28 : x
  2. Step 2: Convert to fraction form
    118,032.84/162,883.22 = 64,318.28/x
  3. Step 3: Cross multiply
    118,032.84x = 162,883.22 × 64,318.28
  4. Step 4: Simplify right side
    118,032.84x = 10,476,367,415.25
  5. Step 5: Solve for x
    x = 10,476,367,415.25/118,032.84
  6. Step 6: Final answer
    x = 88,758.07

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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.