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Finding the Fourth Proportional to 319,110.95, 478,671.30 and 94,494.11

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Solution

The fourth proportional to 319,110.95, 478,671.30 and 94,494.11 is: 141,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,110.95 : 478,671.30 = 94,494.11 : x
  2. Step 2: Convert to fraction form
    319,110.95/478,671.30 = 94,494.11/x
  3. Step 3: Cross multiply
    319,110.95x = 478,671.30 × 94,494.11
  4. Step 4: Simplify right side
    319,110.95x = 45,231,616,082.69
  5. Step 5: Solve for x
    x = 45,231,616,082.69/319,110.95
  6. Step 6: Final answer
    x = 141,742.60

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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.