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Finding the Fourth Proportional to 118,358.62, 177,537.62 and 97,498.28

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Solution

The fourth proportional to 118,358.62, 177,537.62 and 97,498.28 is: 146,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,358.62 : 177,537.62 = 97,498.28 : x
  2. Step 2: Convert to fraction form
    118,358.62/177,537.62 = 97,498.28/x
  3. Step 3: Cross multiply
    118,358.62x = 177,537.62 × 97,498.28
  4. Step 4: Simplify right side
    118,358.62x = 17,309,613,272.88
  5. Step 5: Solve for x
    x = 17,309,613,272.88/118,358.62
  6. Step 6: Final answer
    x = 146,247.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.