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Finding the Fourth Proportional to 242,406, 334,513.53 and 134,975.97

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Solution

The fourth proportional to 242,406, 334,513.53 and 134,975.97 is: 186,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,406 : 334,513.53 = 134,975.97 : x
  2. Step 2: Convert to fraction form
    242,406/334,513.53 = 134,975.97/x
  3. Step 3: Cross multiply
    242,406x = 334,513.53 × 134,975.97
  4. Step 4: Simplify right side
    242,406x = 45,151,288,189.87
  5. Step 5: Solve for x
    x = 45,151,288,189.87/242,406
  6. Step 6: Final answer
    x = 186,263.08

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1.5x scale

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.