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Finding the Fourth Proportional to 338,034.60, 507,018.86 and 88,716.60

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Solution

The fourth proportional to 338,034.60, 507,018.86 and 88,716.60 is: 133,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,034.60 : 507,018.86 = 88,716.60 : x
  2. Step 2: Convert to fraction form
    338,034.60/507,018.86 = 88,716.60/x
  3. Step 3: Cross multiply
    338,034.60x = 507,018.86 × 88,716.60
  4. Step 4: Simplify right side
    338,034.60x = 44,980,989,395.08
  5. Step 5: Solve for x
    x = 44,980,989,395.08/338,034.60
  6. Step 6: Final answer
    x = 133,066.23

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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.