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Finding the Fourth Proportional to 242,299.65, 334,367.75 and 134,867.38

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Solution

The fourth proportional to 242,299.65, 334,367.75 and 134,867.38 is: 186,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,299.65 : 334,367.75 = 134,867.38 : x
  2. Step 2: Convert to fraction form
    242,299.65/334,367.75 = 134,867.38/x
  3. Step 3: Cross multiply
    242,299.65x = 334,367.75 × 134,867.38
  4. Step 4: Simplify right side
    242,299.65x = 45,095,301,768.55
  5. Step 5: Solve for x
    x = 45,095,301,768.55/242,299.65
  6. Step 6: Final answer
    x = 186,113.77

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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.