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Finding the Fourth Proportional to 118,254.30, 177,381.45 and 116,310.30

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Solution

The fourth proportional to 118,254.30, 177,381.45 and 116,310.30 is: 174,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,254.30 : 177,381.45 = 116,310.30 : x
  2. Step 2: Convert to fraction form
    118,254.30/177,381.45 = 116,310.30/x
  3. Step 3: Cross multiply
    118,254.30x = 177,381.45 × 116,310.30
  4. Step 4: Simplify right side
    118,254.30x = 20,631,289,663.94
  5. Step 5: Solve for x
    x = 20,631,289,663.94/118,254.30
  6. Step 6: Final answer
    x = 174,465.45

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1.5x scale

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.