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Finding the Fourth Proportional to 118,805.04, 163,972.08 and 71,063.64

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Solution

The fourth proportional to 118,805.04, 163,972.08 and 71,063.64 is: 98,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,805.04 : 163,972.08 = 71,063.64 : x
  2. Step 2: Convert to fraction form
    118,805.04/163,972.08 = 71,063.64/x
  3. Step 3: Cross multiply
    118,805.04x = 163,972.08 × 71,063.64
  4. Step 4: Simplify right side
    118,805.04x = 11,652,452,863.17
  5. Step 5: Solve for x
    x = 11,652,452,863.17/118,805.04
  6. Step 6: Final answer
    x = 98,080.46

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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.