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Finding the Fourth Proportional to 282,545.96, 423,659.19 and 92,955.02

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Solution

The fourth proportional to 282,545.96, 423,659.19 and 92,955.02 is: 139,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,545.96 : 423,659.19 = 92,955.02 : x
  2. Step 2: Convert to fraction form
    282,545.96/423,659.19 = 92,955.02/x
  3. Step 3: Cross multiply
    282,545.96x = 423,659.19 × 92,955.02
  4. Step 4: Simplify right side
    282,545.96x = 39,381,248,479.63
  5. Step 5: Solve for x
    x = 39,381,248,479.63/282,545.96
  6. Step 6: Final answer
    x = 139,379.97

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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.