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Finding the Fourth Proportional to 319,152.92, 478,799.43 and 94,530.93

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Solution

The fourth proportional to 319,152.92, 478,799.43 and 94,530.93 is: 141,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,152.92 : 478,799.43 = 94,530.93 : x
  2. Step 2: Convert to fraction form
    319,152.92/478,799.43 = 94,530.93/x
  3. Step 3: Cross multiply
    319,152.92x = 478,799.43 × 94,530.93
  4. Step 4: Simplify right side
    319,152.92x = 45,261,355,401.37
  5. Step 5: Solve for x
    x = 45,261,355,401.37/319,152.92
  6. Step 6: Final answer
    x = 141,817.15

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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.