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Finding the Fourth Proportional to 265,141.50, 365,895.33 and 145,909.50

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Solution

The fourth proportional to 265,141.50, 365,895.33 and 145,909.50 is: 201,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,141.50 : 365,895.33 = 145,909.50 : x
  2. Step 2: Convert to fraction form
    265,141.50/365,895.33 = 145,909.50/x
  3. Step 3: Cross multiply
    265,141.50x = 365,895.33 × 145,909.50
  4. Step 4: Simplify right side
    265,141.50x = 53,387,604,652.64
  5. Step 5: Solve for x
    x = 53,387,604,652.64/265,141.50
  6. Step 6: Final answer
    x = 201,355.14

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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.