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Finding the Fourth Proportional to 379,564.99, 569,347.58 and 99,082.24

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Solution

The fourth proportional to 379,564.99, 569,347.58 and 99,082.24 is: 148,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,564.99 : 569,347.58 = 99,082.24 : x
  2. Step 2: Convert to fraction form
    379,564.99/569,347.58 = 99,082.24/x
  3. Step 3: Cross multiply
    379,564.99x = 569,347.58 × 99,082.24
  4. Step 4: Simplify right side
    379,564.99x = 56,412,232,389.32
  5. Step 5: Solve for x
    x = 56,412,232,389.32/379,564.99
  6. Step 6: Final answer
    x = 148,623.38

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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.