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Finding the Fourth Proportional to 185,072.80, 277,220.40 and 101,869.60

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Solution

The fourth proportional to 185,072.80, 277,220.40 and 101,869.60 is: 152,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,072.80 : 277,220.40 = 101,869.60 : x
  2. Step 2: Convert to fraction form
    185,072.80/277,220.40 = 101,869.60/x
  3. Step 3: Cross multiply
    185,072.80x = 277,220.40 × 101,869.60
  4. Step 4: Simplify right side
    185,072.80x = 28,240,331,259.84
  5. Step 5: Solve for x
    x = 28,240,331,259.84/185,072.80
  6. Step 6: Final answer
    x = 152,590.39

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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.