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Finding the Fourth Proportional to 94,856.88, 130,905.14 and 52,418.15

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Solution

The fourth proportional to 94,856.88, 130,905.14 and 52,418.15 is: 72,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,856.88 : 130,905.14 = 52,418.15 : x
  2. Step 2: Convert to fraction form
    94,856.88/130,905.14 = 52,418.15/x
  3. Step 3: Cross multiply
    94,856.88x = 130,905.14 × 52,418.15
  4. Step 4: Simplify right side
    94,856.88x = 6,861,804,347.67
  5. Step 5: Solve for x
    x = 6,861,804,347.67/94,856.88
  6. Step 6: Final answer
    x = 72,338.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.