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Finding the Fourth Proportional to 94,233.70, 141,580.95 and 70,905.70

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Solution

The fourth proportional to 94,233.70, 141,580.95 and 70,905.70 is: 106,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,233.70 : 141,580.95 = 70,905.70 : x
  2. Step 2: Convert to fraction form
    94,233.70/141,580.95 = 70,905.70/x
  3. Step 3: Cross multiply
    94,233.70x = 141,580.95 × 70,905.70
  4. Step 4: Simplify right side
    94,233.70x = 10,038,896,366.42
  5. Step 5: Solve for x
    x = 10,038,896,366.42/94,233.70
  6. Step 6: Final answer
    x = 106,531.91

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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.