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Finding the Fourth Proportional to 194,501.20, 291,751.80 and 169,925.20

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Solution

The fourth proportional to 194,501.20, 291,751.80 and 169,925.20 is: 254,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,501.20 : 291,751.80 = 169,925.20 : x
  2. Step 2: Convert to fraction form
    194,501.20/291,751.80 = 169,925.20/x
  3. Step 3: Cross multiply
    194,501.20x = 291,751.80 × 169,925.20
  4. Step 4: Simplify right side
    194,501.20x = 49,575,982,965.36
  5. Step 5: Solve for x
    x = 49,575,982,965.36/194,501.20
  6. Step 6: Final answer
    x = 254,887.80

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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.