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Finding the Fourth Proportional to 272,074.60, 375,469.32 and 151,220.98

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Solution

The fourth proportional to 272,074.60, 375,469.32 and 151,220.98 is: 208,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,074.60 : 375,469.32 = 151,220.98 : x
  2. Step 2: Convert to fraction form
    272,074.60/375,469.32 = 151,220.98/x
  3. Step 3: Cross multiply
    272,074.60x = 375,469.32 × 151,220.98
  4. Step 4: Simplify right side
    272,074.60x = 56,778,838,530.33
  5. Step 5: Solve for x
    x = 56,778,838,530.33/272,074.60
  6. Step 6: Final answer
    x = 208,688.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.