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Finding the Fourth Proportional to 265,086.96, 365,830.12 and 151,931.60

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Solution

The fourth proportional to 265,086.96, 365,830.12 and 151,931.60 is: 209,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,086.96 : 365,830.12 = 151,931.60 : x
  2. Step 2: Convert to fraction form
    265,086.96/365,830.12 = 151,931.60/x
  3. Step 3: Cross multiply
    265,086.96x = 365,830.12 × 151,931.60
  4. Step 4: Simplify right side
    265,086.96x = 55,581,155,459.79
  5. Step 5: Solve for x
    x = 55,581,155,459.79/265,086.96
  6. Step 6: Final answer
    x = 209,671.41

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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.