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Finding the Fourth Proportional to 169,545.84, 253,730.04 and 105,477.66

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Solution

The fourth proportional to 169,545.84, 253,730.04 and 105,477.66 is: 157,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,545.84 : 253,730.04 = 105,477.66 : x
  2. Step 2: Convert to fraction form
    169,545.84/253,730.04 = 105,477.66/x
  3. Step 3: Cross multiply
    169,545.84x = 253,730.04 × 105,477.66
  4. Step 4: Simplify right side
    169,545.84x = 26,762,850,890.91
  5. Step 5: Solve for x
    x = 26,762,850,890.91/169,545.84
  6. Step 6: Final answer
    x = 157,850.24

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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.