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Finding the Fourth Proportional to 185,220.60, 277,830.90 and 60,574.20

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Solution

The fourth proportional to 185,220.60, 277,830.90 and 60,574.20 is: 90,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,220.60 : 277,830.90 = 60,574.20 : x
  2. Step 2: Convert to fraction form
    185,220.60/277,830.90 = 60,574.20/x
  3. Step 3: Cross multiply
    185,220.60x = 277,830.90 × 60,574.20
  4. Step 4: Simplify right side
    185,220.60x = 16,829,384,502.78
  5. Step 5: Solve for x
    x = 16,829,384,502.78/185,220.60
  6. Step 6: Final answer
    x = 90,861.30

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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.