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Finding the Fourth Proportional to 302,551.60, 453,778.80 and 92,140.60

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Solution

The fourth proportional to 302,551.60, 453,778.80 and 92,140.60 is: 138,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,551.60 : 453,778.80 = 92,140.60 : x
  2. Step 2: Convert to fraction form
    302,551.60/453,778.80 = 92,140.60/x
  3. Step 3: Cross multiply
    302,551.60x = 453,778.80 × 92,140.60
  4. Step 4: Simplify right side
    302,551.60x = 41,811,450,899.28
  5. Step 5: Solve for x
    x = 41,811,450,899.28/302,551.60
  6. Step 6: Final answer
    x = 138,196.10

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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.