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Finding the Fourth Proportional to 163,670.52, 245,505.81 and 45,341.93

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Solution

The fourth proportional to 163,670.52, 245,505.81 and 45,341.93 is: 68,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670.52 : 245,505.81 = 45,341.93 : x
  2. Step 2: Convert to fraction form
    163,670.52/245,505.81 = 45,341.93/x
  3. Step 3: Cross multiply
    163,670.52x = 245,505.81 × 45,341.93
  4. Step 4: Simplify right side
    163,670.52x = 11,131,707,251.61
  5. Step 5: Solve for x
    x = 11,131,707,251.61/163,670.52
  6. Step 6: Final answer
    x = 68,012.90

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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.