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Finding the Fourth Proportional to 153,733.40, 230,523.30 and 70,533.40

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Solution

The fourth proportional to 153,733.40, 230,523.30 and 70,533.40 is: 105,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,733.40 : 230,523.30 = 70,533.40 : x
  2. Step 2: Convert to fraction form
    153,733.40/230,523.30 = 70,533.40/x
  3. Step 3: Cross multiply
    153,733.40x = 230,523.30 × 70,533.40
  4. Step 4: Simplify right side
    153,733.40x = 16,259,592,128.22
  5. Step 5: Solve for x
    x = 16,259,592,128.22/153,733.40
  6. Step 6: Final answer
    x = 105,764.86

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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.