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Finding the Fourth Proportional to 153,765.63, 230,658.18 and 65,007.45

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Solution

The fourth proportional to 153,765.63, 230,658.18 and 65,007.45 is: 97,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,765.63 : 230,658.18 = 65,007.45 : x
  2. Step 2: Convert to fraction form
    153,765.63/230,658.18 = 65,007.45/x
  3. Step 3: Cross multiply
    153,765.63x = 230,658.18 × 65,007.45
  4. Step 4: Simplify right side
    153,765.63x = 14,994,500,103.44
  5. Step 5: Solve for x
    x = 14,994,500,103.44/153,765.63
  6. Step 6: Final answer
    x = 97,515.29

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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.