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Finding the Fourth Proportional to 97,422.40, 145,826.40 and 94,350.40

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Solution

The fourth proportional to 97,422.40, 145,826.40 and 94,350.40 is: 141,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,422.40 : 145,826.40 = 94,350.40 : x
  2. Step 2: Convert to fraction form
    97,422.40/145,826.40 = 94,350.40/x
  3. Step 3: Cross multiply
    97,422.40x = 145,826.40 × 94,350.40
  4. Step 4: Simplify right side
    97,422.40x = 13,758,779,170.56
  5. Step 5: Solve for x
    x = 13,758,779,170.56/97,422.40
  6. Step 6: Final answer
    x = 141,228.09

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1.5x scale

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.