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Finding the Fourth Proportional to 85,324.39, 127,882.80 and 60,371.63

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Solution

The fourth proportional to 85,324.39, 127,882.80 and 60,371.63 is: 90,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,324.39 : 127,882.80 = 60,371.63 : x
  2. Step 2: Convert to fraction form
    85,324.39/127,882.80 = 60,371.63/x
  3. Step 3: Cross multiply
    85,324.39x = 127,882.80 × 60,371.63
  4. Step 4: Simplify right side
    85,324.39x = 7,720,492,925.11
  5. Step 5: Solve for x
    x = 7,720,492,925.11/85,324.39
  6. Step 6: Final answer
    x = 90,484.01

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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.