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Finding the Fourth Proportional to 352,135.40, 528,227.42 and 141,773.80

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Solution

The fourth proportional to 352,135.40, 528,227.42 and 141,773.80 is: 212,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,135.40 : 528,227.42 = 141,773.80 : x
  2. Step 2: Convert to fraction form
    352,135.40/528,227.42 = 141,773.80/x
  3. Step 3: Cross multiply
    352,135.40x = 528,227.42 × 141,773.80
  4. Step 4: Simplify right side
    352,135.40x = 74,888,808,597.60
  5. Step 5: Solve for x
    x = 74,888,808,597.60/352,135.40
  6. Step 6: Final answer
    x = 212,670.49

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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.