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Finding the Fourth Proportional to 319,113.18, 478,674.80 and 94,496.44

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Solution

The fourth proportional to 319,113.18, 478,674.80 and 94,496.44 is: 141,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,113.18 : 478,674.80 = 94,496.44 : x
  2. Step 2: Convert to fraction form
    319,113.18/478,674.80 = 94,496.44/x
  3. Step 3: Cross multiply
    319,113.18x = 478,674.80 × 94,496.44
  4. Step 4: Simplify right side
    319,113.18x = 45,233,064,517.71
  5. Step 5: Solve for x
    x = 45,233,064,517.71/319,113.18
  6. Step 6: Final answer
    x = 141,746.15

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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.