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Finding the Fourth Proportional to 220,280.60, 330,421.22 and 54,068.60

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Solution

The fourth proportional to 220,280.60, 330,421.22 and 54,068.60 is: 81,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,280.60 : 330,421.22 = 54,068.60 : x
  2. Step 2: Convert to fraction form
    220,280.60/330,421.22 = 54,068.60/x
  3. Step 3: Cross multiply
    220,280.60x = 330,421.22 × 54,068.60
  4. Step 4: Simplify right side
    220,280.60x = 17,865,413,534.16
  5. Step 5: Solve for x
    x = 17,865,413,534.16/220,280.60
  6. Step 6: Final answer
    x = 81,102.98

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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.