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Finding the Fourth Proportional to 153,469.72, 230,235.90 and 64,723.06

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Solution

The fourth proportional to 153,469.72, 230,235.90 and 64,723.06 is: 97,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,469.72 : 230,235.90 = 64,723.06 : x
  2. Step 2: Convert to fraction form
    153,469.72/230,235.90 = 64,723.06/x
  3. Step 3: Cross multiply
    153,469.72x = 230,235.90 × 64,723.06
  4. Step 4: Simplify right side
    153,469.72x = 14,901,571,969.85
  5. Step 5: Solve for x
    x = 14,901,571,969.85/153,469.72
  6. Step 6: Final answer
    x = 97,097.80

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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.