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Finding the Fourth Proportional to 97,308.54, 145,765.98 and 75,044.88

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Solution

The fourth proportional to 97,308.54, 145,765.98 and 75,044.88 is: 112,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,308.54 : 145,765.98 = 75,044.88 : x
  2. Step 2: Convert to fraction form
    97,308.54/145,765.98 = 75,044.88/x
  3. Step 3: Cross multiply
    97,308.54x = 145,765.98 × 75,044.88
  4. Step 4: Simplify right side
    97,308.54x = 10,938,990,477.18
  5. Step 5: Solve for x
    x = 10,938,990,477.18/97,308.54
  6. Step 6: Final answer
    x = 112,415.52

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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.