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Finding the Fourth Proportional to 118,510.13, 177,765.20 and 35,404.13

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Solution

The fourth proportional to 118,510.13, 177,765.20 and 35,404.13 is: 53,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,510.13 : 177,765.20 = 35,404.13 : x
  2. Step 2: Convert to fraction form
    118,510.13/177,765.20 = 35,404.13/x
  3. Step 3: Cross multiply
    118,510.13x = 177,765.20 × 35,404.13
  4. Step 4: Simplify right side
    118,510.13x = 6,293,621,184.43
  5. Step 5: Solve for x
    x = 6,293,621,184.43/118,510.13
  6. Step 6: Final answer
    x = 53,106.19

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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.