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Finding the Fourth Proportional to 153,758.44, 230,647.38 and 64,995.40

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Solution

The fourth proportional to 153,758.44, 230,647.38 and 64,995.40 is: 97,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,758.44 : 230,647.38 = 64,995.40 : x
  2. Step 2: Convert to fraction form
    153,758.44/230,647.38 = 64,995.40/x
  3. Step 3: Cross multiply
    153,758.44x = 230,647.38 × 64,995.40
  4. Step 4: Simplify right side
    153,758.44x = 14,991,018,722.05
  5. Step 5: Solve for x
    x = 14,991,018,722.05/153,758.44
  6. Step 6: Final answer
    x = 97,497.21

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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.