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Finding the Fourth Proportional to 96,670.40, 144,962.40 and 37,486.40

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Solution

The fourth proportional to 96,670.40, 144,962.40 and 37,486.40 is: 56,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,670.40 : 144,962.40 = 37,486.40 : x
  2. Step 2: Convert to fraction form
    96,670.40/144,962.40 = 37,486.40/x
  3. Step 3: Cross multiply
    96,670.40x = 144,962.40 × 37,486.40
  4. Step 4: Simplify right side
    96,670.40x = 5,434,118,511.36
  5. Step 5: Solve for x
    x = 5,434,118,511.36/96,670.40
  6. Step 6: Final answer
    x = 56,212.85

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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.