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Finding the Fourth Proportional to 222,632.01, 307,247.55 and 135,451.14

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Solution

The fourth proportional to 222,632.01, 307,247.55 and 135,451.14 is: 186,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,632.01 : 307,247.55 = 135,451.14 : x
  2. Step 2: Convert to fraction form
    222,632.01/307,247.55 = 135,451.14/x
  3. Step 3: Cross multiply
    222,632.01x = 307,247.55 × 135,451.14
  4. Step 4: Simplify right side
    222,632.01x = 41,617,030,909.71
  5. Step 5: Solve for x
    x = 41,617,030,909.71/222,632.01
  6. Step 6: Final answer
    x = 186,931.93

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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.