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Finding the Fourth Proportional to 94,437.61, 141,671.80 and 27,884.47

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Solution

The fourth proportional to 94,437.61, 141,671.80 and 27,884.47 is: 41,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,437.61 : 141,671.80 = 27,884.47 : x
  2. Step 2: Convert to fraction form
    94,437.61/141,671.80 = 27,884.47/x
  3. Step 3: Cross multiply
    94,437.61x = 141,671.80 × 27,884.47
  4. Step 4: Simplify right side
    94,437.61x = 3,950,443,056.95
  5. Step 5: Solve for x
    x = 3,950,443,056.95/94,437.61
  6. Step 6: Final answer
    x = 41,831.25

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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.