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Finding the Fourth Proportional to 60,802.20, 91,203.30 and 54,897.30

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Solution

The fourth proportional to 60,802.20, 91,203.30 and 54,897.30 is: 82,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,802.20 : 91,203.30 = 54,897.30 : x
  2. Step 2: Convert to fraction form
    60,802.20/91,203.30 = 54,897.30/x
  3. Step 3: Cross multiply
    60,802.20x = 91,203.30 × 54,897.30
  4. Step 4: Simplify right side
    60,802.20x = 5,006,814,921.09
  5. Step 5: Solve for x
    x = 5,006,814,921.09/60,802.20
  6. Step 6: Final answer
    x = 82,345.95

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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.