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Finding the Fourth Proportional to 253,303, 349,527.90 and 140,110.36

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Solution

The fourth proportional to 253,303, 349,527.90 and 140,110.36 is: 193,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,303 : 349,527.90 = 140,110.36 : x
  2. Step 2: Convert to fraction form
    253,303/349,527.90 = 140,110.36/x
  3. Step 3: Cross multiply
    253,303x = 349,527.90 × 140,110.36
  4. Step 4: Simplify right side
    253,303x = 48,972,479,899.04
  5. Step 5: Solve for x
    x = 48,972,479,899.04/253,303
  6. Step 6: Final answer
    x = 193,335.57

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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.