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Finding the Fourth Proportional to 245,370.17, 368,058.90 and 161,666.39

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Solution

The fourth proportional to 245,370.17, 368,058.90 and 161,666.39 is: 242,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,370.17 : 368,058.90 = 161,666.39 : x
  2. Step 2: Convert to fraction form
    245,370.17/368,058.90 = 161,666.39/x
  3. Step 3: Cross multiply
    245,370.17x = 368,058.90 × 161,666.39
  4. Step 4: Simplify right side
    245,370.17x = 59,502,753,670.37
  5. Step 5: Solve for x
    x = 59,502,753,670.37/245,370.17
  6. Step 6: Final answer
    x = 242,501.99

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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.