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Finding the Fourth Proportional to 92,303.82, 138,744.74 and 60,915.59

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Solution

The fourth proportional to 92,303.82, 138,744.74 and 60,915.59 is: 91,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,303.82 : 138,744.74 = 60,915.59 : x
  2. Step 2: Convert to fraction form
    92,303.82/138,744.74 = 60,915.59/x
  3. Step 3: Cross multiply
    92,303.82x = 138,744.74 × 60,915.59
  4. Step 4: Simplify right side
    92,303.82x = 8,451,717,002.77
  5. Step 5: Solve for x
    x = 8,451,717,002.77/92,303.82
  6. Step 6: Final answer
    x = 91,564.11

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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.