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Finding the Fourth Proportional to 242,064.40, 363,096.60 and 123,696.40

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Solution

The fourth proportional to 242,064.40, 363,096.60 and 123,696.40 is: 185,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,064.40 : 363,096.60 = 123,696.40 : x
  2. Step 2: Convert to fraction form
    242,064.40/363,096.60 = 123,696.40/x
  3. Step 3: Cross multiply
    242,064.40x = 363,096.60 × 123,696.40
  4. Step 4: Simplify right side
    242,064.40x = 44,913,742,272.24
  5. Step 5: Solve for x
    x = 44,913,742,272.24/242,064.40
  6. Step 6: Final answer
    x = 185,544.60

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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.