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Finding the Fourth Proportional to 319,097.01, 478,650.51 and 94,480.23

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Solution

The fourth proportional to 319,097.01, 478,650.51 and 94,480.23 is: 141,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,097.01 : 478,650.51 = 94,480.23 : x
  2. Step 2: Convert to fraction form
    319,097.01/478,650.51 = 94,480.23/x
  3. Step 3: Cross multiply
    319,097.01x = 478,650.51 × 94,480.23
  4. Step 4: Simplify right side
    319,097.01x = 45,223,010,274.42
  5. Step 5: Solve for x
    x = 45,223,010,274.42/319,097.01
  6. Step 6: Final answer
    x = 141,721.82

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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.