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Finding the Fourth Proportional to 220,280.77, 330,587.34 and 102,035.08

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Solution

The fourth proportional to 220,280.77, 330,587.34 and 102,035.08 is: 153,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,280.77 : 330,587.34 = 102,035.08 : x
  2. Step 2: Convert to fraction form
    220,280.77/330,587.34 = 102,035.08/x
  3. Step 3: Cross multiply
    220,280.77x = 330,587.34 × 102,035.08
  4. Step 4: Simplify right side
    220,280.77x = 33,731,505,683.89
  5. Step 5: Solve for x
    x = 33,731,505,683.89/220,280.77
  6. Step 6: Final answer
    x = 153,129.60

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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.