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Finding the Fourth Proportional to 94,573.89, 141,881.58 and 28,019.22

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Solution

The fourth proportional to 94,573.89, 141,881.58 and 28,019.22 is: 42,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,573.89 : 141,881.58 = 28,019.22 : x
  2. Step 2: Convert to fraction form
    94,573.89/141,881.58 = 28,019.22/x
  3. Step 3: Cross multiply
    94,573.89x = 141,881.58 × 28,019.22
  4. Step 4: Simplify right side
    94,573.89x = 3,975,411,203.97
  5. Step 5: Solve for x
    x = 3,975,411,203.97/94,573.89
  6. Step 6: Final answer
    x = 42,034.98

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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.