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Finding the Fourth Proportional to 319,114.01, 478,675.98 and 94,497.17

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Solution

The fourth proportional to 319,114.01, 478,675.98 and 94,497.17 is: 141,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,114.01 : 478,675.98 = 94,497.17 : x
  2. Step 2: Convert to fraction form
    319,114.01/478,675.98 = 94,497.17/x
  3. Step 3: Cross multiply
    319,114.01x = 478,675.98 × 94,497.17
  4. Step 4: Simplify right side
    319,114.01x = 45,233,523,063.60
  5. Step 5: Solve for x
    x = 45,233,523,063.60/319,114.01
  6. Step 6: Final answer
    x = 141,747.22

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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.