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Finding the Fourth Proportional to 302,750.50, 417,795.69 and 168,614.50

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Solution

The fourth proportional to 302,750.50, 417,795.69 and 168,614.50 is: 232,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,750.50 : 417,795.69 = 168,614.50 : x
  2. Step 2: Convert to fraction form
    302,750.50/417,795.69 = 168,614.50/x
  3. Step 3: Cross multiply
    302,750.50x = 417,795.69 × 168,614.50
  4. Step 4: Simplify right side
    302,750.50x = 70,446,411,371.51
  5. Step 5: Solve for x
    x = 70,446,411,371.51/302,750.50
  6. Step 6: Final answer
    x = 232,688.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.