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Finding the Fourth Proportional to 352,036.60, 528,054.90 and 115,403.20

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Solution

The fourth proportional to 352,036.60, 528,054.90 and 115,403.20 is: 173,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,036.60 : 528,054.90 = 115,403.20 : x
  2. Step 2: Convert to fraction form
    352,036.60/528,054.90 = 115,403.20/x
  3. Step 3: Cross multiply
    352,036.60x = 528,054.90 × 115,403.20
  4. Step 4: Simplify right side
    352,036.60x = 60,939,225,235.68
  5. Step 5: Solve for x
    x = 60,939,225,235.68/352,036.60
  6. Step 6: Final answer
    x = 173,104.80

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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.