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Finding the Fourth Proportional to 153,690.96, 230,481 and 64,951.32

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Solution

The fourth proportional to 153,690.96, 230,481 and 64,951.32 is: 97,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,690.96 : 230,481 = 64,951.32 : x
  2. Step 2: Convert to fraction form
    153,690.96/230,481 = 64,951.32/x
  3. Step 3: Cross multiply
    153,690.96x = 230,481 × 64,951.32
  4. Step 4: Simplify right side
    153,690.96x = 14,970,045,184.92
  5. Step 5: Solve for x
    x = 14,970,045,184.92/153,690.96
  6. Step 6: Final answer
    x = 97,403.55

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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.