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Finding the Fourth Proportional to 161,320.93, 241,763.41 and 61,426.63

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Solution

The fourth proportional to 161,320.93, 241,763.41 and 61,426.63 is: 92,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,320.93 : 241,763.41 = 61,426.63 : x
  2. Step 2: Convert to fraction form
    161,320.93/241,763.41 = 61,426.63/x
  3. Step 3: Cross multiply
    161,320.93x = 241,763.41 × 61,426.63
  4. Step 4: Simplify right side
    161,320.93x = 14,850,710,478.36
  5. Step 5: Solve for x
    x = 14,850,710,478.36/161,320.93
  6. Step 6: Final answer
    x = 92,056.94

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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.