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Finding the Fourth Proportional to 302,166.64, 453,157.12 and 99,725.46

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Solution

The fourth proportional to 302,166.64, 453,157.12 and 99,725.46 is: 149,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,166.64 : 453,157.12 = 99,725.46 : x
  2. Step 2: Convert to fraction form
    302,166.64/453,157.12 = 99,725.46/x
  3. Step 3: Cross multiply
    302,166.64x = 453,157.12 × 99,725.46
  4. Step 4: Simplify right side
    302,166.64x = 45,191,302,244.28
  5. Step 5: Solve for x
    x = 45,191,302,244.28/302,166.64
  6. Step 6: Final answer
    x = 149,557.55

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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.