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Finding the Fourth Proportional to 175,457.62, 242,128.50 and 98,976.88

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Solution

The fourth proportional to 175,457.62, 242,128.50 and 98,976.88 is: 136,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,457.62 : 242,128.50 = 98,976.88 : x
  2. Step 2: Convert to fraction form
    175,457.62/242,128.50 = 98,976.88/x
  3. Step 3: Cross multiply
    175,457.62x = 242,128.50 × 98,976.88
  4. Step 4: Simplify right side
    175,457.62x = 23,965,123,489.08
  5. Step 5: Solve for x
    x = 23,965,123,489.08/175,457.62
  6. Step 6: Final answer
    x = 136,586.39

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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.