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Finding the Fourth Proportional to 242,068.68, 334,049.99 and 134,636.40

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Solution

The fourth proportional to 242,068.68, 334,049.99 and 134,636.40 is: 185,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,068.68 : 334,049.99 = 134,636.40 : x
  2. Step 2: Convert to fraction form
    242,068.68/334,049.99 = 134,636.40/x
  3. Step 3: Cross multiply
    242,068.68x = 334,049.99 × 134,636.40
  4. Step 4: Simplify right side
    242,068.68x = 44,975,287,400.45
  5. Step 5: Solve for x
    x = 44,975,287,400.45/242,068.68
  6. Step 6: Final answer
    x = 185,795.57

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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.