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Finding the Fourth Proportional to 295,063.58, 442,486.93 and 105,472.79

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Solution

The fourth proportional to 295,063.58, 442,486.93 and 105,472.79 is: 158,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,063.58 : 442,486.93 = 105,472.79 : x
  2. Step 2: Convert to fraction form
    295,063.58/442,486.93 = 105,472.79/x
  3. Step 3: Cross multiply
    295,063.58x = 442,486.93 × 105,472.79
  4. Step 4: Simplify right side
    295,063.58x = 46,670,331,045.63
  5. Step 5: Solve for x
    x = 46,670,331,045.63/295,063.58
  6. Step 6: Final answer
    x = 158,170.42

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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.