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Finding the Fourth Proportional to 153,648.46, 230,480.03 and 74,668.60

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Solution

The fourth proportional to 153,648.46, 230,480.03 and 74,668.60 is: 112,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,648.46 : 230,480.03 = 74,668.60 : x
  2. Step 2: Convert to fraction form
    153,648.46/230,480.03 = 74,668.60/x
  3. Step 3: Cross multiply
    153,648.46x = 230,480.03 × 74,668.60
  4. Step 4: Simplify right side
    153,648.46x = 17,209,621,168.06
  5. Step 5: Solve for x
    x = 17,209,621,168.06/153,648.46
  6. Step 6: Final answer
    x = 112,006.47

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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.