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Finding the Fourth Proportional to 352,083.40, 528,125.10 and 127,551.40

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Solution

The fourth proportional to 352,083.40, 528,125.10 and 127,551.40 is: 191,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,083.40 : 528,125.10 = 127,551.40 : x
  2. Step 2: Convert to fraction form
    352,083.40/528,125.10 = 127,551.40/x
  3. Step 3: Cross multiply
    352,083.40x = 528,125.10 × 127,551.40
  4. Step 4: Simplify right side
    352,083.40x = 67,363,095,880.14
  5. Step 5: Solve for x
    x = 67,363,095,880.14/352,083.40
  6. Step 6: Final answer
    x = 191,327.10

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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.