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Finding the Fourth Proportional to 242,844.48, 363,716.64 and 130,328.64

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Solution

The fourth proportional to 242,844.48, 363,716.64 and 130,328.64 is: 195,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,844.48 : 363,716.64 = 130,328.64 : x
  2. Step 2: Convert to fraction form
    242,844.48/363,716.64 = 130,328.64/x
  3. Step 3: Cross multiply
    242,844.48x = 363,716.64 × 130,328.64
  4. Step 4: Simplify right side
    242,844.48x = 47,402,695,036.57
  5. Step 5: Solve for x
    x = 47,402,695,036.57/242,844.48
  6. Step 6: Final answer
    x = 195,197.75

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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.