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Finding the Fourth Proportional to 190,332.63, 262,667.63 and 105,449.70

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Solution

The fourth proportional to 190,332.63, 262,667.63 and 105,449.70 is: 145,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,332.63 : 262,667.63 = 105,449.70 : x
  2. Step 2: Convert to fraction form
    190,332.63/262,667.63 = 105,449.70/x
  3. Step 3: Cross multiply
    190,332.63x = 262,667.63 × 105,449.70
  4. Step 4: Simplify right side
    190,332.63x = 27,698,222,783.21
  5. Step 5: Solve for x
    x = 27,698,222,783.21/190,332.63
  6. Step 6: Final answer
    x = 145,525.35

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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.