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Finding the Fourth Proportional to 302,220, 453,327.30 and 112,673.93

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Solution

The fourth proportional to 302,220, 453,327.30 and 112,673.93 is: 169,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,220 : 453,327.30 = 112,673.93 : x
  2. Step 2: Convert to fraction form
    302,220/453,327.30 = 112,673.93/x
  3. Step 3: Cross multiply
    302,220x = 453,327.30 × 112,673.93
  4. Step 4: Simplify right side
    302,220x = 51,078,166,200.65
  5. Step 5: Solve for x
    x = 51,078,166,200.65/302,220
  6. Step 6: Final answer
    x = 169,009.88

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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.