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Finding the Fourth Proportional to 75,308.25, 112,962.50 and 56,352.66

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Solution

The fourth proportional to 75,308.25, 112,962.50 and 56,352.66 is: 84,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,308.25 : 112,962.50 = 56,352.66 : x
  2. Step 2: Convert to fraction form
    75,308.25/112,962.50 = 56,352.66/x
  3. Step 3: Cross multiply
    75,308.25x = 112,962.50 × 56,352.66
  4. Step 4: Simplify right side
    75,308.25x = 6,365,737,073.49
  5. Step 5: Solve for x
    x = 6,365,737,073.49/75,308.25
  6. Step 6: Final answer
    x = 84,529.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.