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Finding the Fourth Proportional to 191,795.99, 287,705.50 and 58,677.39

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Solution

The fourth proportional to 191,795.99, 287,705.50 and 58,677.39 is: 88,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,795.99 : 287,705.50 = 58,677.39 : x
  2. Step 2: Convert to fraction form
    191,795.99/287,705.50 = 58,677.39/x
  3. Step 3: Cross multiply
    191,795.99x = 287,705.50 × 58,677.39
  4. Step 4: Simplify right side
    191,795.99x = 16,881,807,681.95
  5. Step 5: Solve for x
    x = 16,881,807,681.95/191,795.99
  6. Step 6: Final answer
    x = 88,019.61

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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.