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Finding the Fourth Proportional to 242,494.65, 334,526.72 and 188,409.53

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Solution

The fourth proportional to 242,494.65, 334,526.72 and 188,409.53 is: 259,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,494.65 : 334,526.72 = 188,409.53 : x
  2. Step 2: Convert to fraction form
    242,494.65/334,526.72 = 188,409.53/x
  3. Step 3: Cross multiply
    242,494.65x = 334,526.72 × 188,409.53
  4. Step 4: Simplify right side
    242,494.65x = 63,028,022,087.64
  5. Step 5: Solve for x
    x = 63,028,022,087.64/242,494.65
  6. Step 6: Final answer
    x = 259,915.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.