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Finding the Fourth Proportional to 60,129.68, 90,225.65 and 43,625.93

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Solution

The fourth proportional to 60,129.68, 90,225.65 and 43,625.93 is: 65,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,129.68 : 90,225.65 = 43,625.93 : x
  2. Step 2: Convert to fraction form
    60,129.68/90,225.65 = 43,625.93/x
  3. Step 3: Cross multiply
    60,129.68x = 90,225.65 × 43,625.93
  4. Step 4: Simplify right side
    60,129.68x = 3,936,178,225.73
  5. Step 5: Solve for x
    x = 3,936,178,225.73/60,129.68
  6. Step 6: Final answer
    x = 65,461.48

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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.