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Finding the Fourth Proportional to 163,864.98, 245,737.98 and 57,219

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Solution

The fourth proportional to 163,864.98, 245,737.98 and 57,219 is: 85,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,864.98 : 245,737.98 = 57,219 : x
  2. Step 2: Convert to fraction form
    163,864.98/245,737.98 = 57,219/x
  3. Step 3: Cross multiply
    163,864.98x = 245,737.98 × 57,219
  4. Step 4: Simplify right side
    163,864.98x = 14,060,881,477.62
  5. Step 5: Solve for x
    x = 14,060,881,477.62/163,864.98
  6. Step 6: Final answer
    x = 85,807.73

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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.