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Finding the Fourth Proportional to 118,666.13, 177,976.51 and 35,560.13

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Solution

The fourth proportional to 118,666.13, 177,976.51 and 35,560.13 is: 53,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,666.13 : 177,976.51 = 35,560.13 : x
  2. Step 2: Convert to fraction form
    118,666.13/177,976.51 = 35,560.13/x
  3. Step 3: Cross multiply
    118,666.13x = 177,976.51 × 35,560.13
  4. Step 4: Simplify right side
    118,666.13x = 6,328,867,832.55
  5. Step 5: Solve for x
    x = 6,328,867,832.55/118,666.13
  6. Step 6: Final answer
    x = 53,333.40

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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.