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Finding the Fourth Proportional to 242,606.61, 363,785.67 and 130,381.32

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Solution

The fourth proportional to 242,606.61, 363,785.67 and 130,381.32 is: 195,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,606.61 : 363,785.67 = 130,381.32 : x
  2. Step 2: Convert to fraction form
    242,606.61/363,785.67 = 130,381.32/x
  3. Step 3: Cross multiply
    242,606.61x = 363,785.67 × 130,381.32
  4. Step 4: Simplify right side
    242,606.61x = 47,430,855,851.68
  5. Step 5: Solve for x
    x = 47,430,855,851.68/242,606.61
  6. Step 6: Final answer
    x = 195,505.21

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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.