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Finding the Fourth Proportional to 319,104.65, 478,487.61 and 94,434.14

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Solution

The fourth proportional to 319,104.65, 478,487.61 and 94,434.14 is: 141,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,104.65 : 478,487.61 = 94,434.14 : x
  2. Step 2: Convert to fraction form
    319,104.65/478,487.61 = 94,434.14/x
  3. Step 3: Cross multiply
    319,104.65x = 478,487.61 × 94,434.14
  4. Step 4: Simplify right side
    319,104.65x = 45,185,563,558.57
  5. Step 5: Solve for x
    x = 45,185,563,558.57/319,104.65
  6. Step 6: Final answer
    x = 141,601.08

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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.