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Finding the Fourth Proportional to 175,499.28, 242,103.28 and 115,043.28

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Solution

The fourth proportional to 175,499.28, 242,103.28 and 115,043.28 is: 158,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,499.28 : 242,103.28 = 115,043.28 : x
  2. Step 2: Convert to fraction form
    175,499.28/242,103.28 = 115,043.28/x
  3. Step 3: Cross multiply
    175,499.28x = 242,103.28 × 115,043.28
  4. Step 4: Simplify right side
    175,499.28x = 27,852,355,429.96
  5. Step 5: Solve for x
    x = 27,852,355,429.96/175,499.28
  6. Step 6: Final answer
    x = 158,703.53

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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.