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Finding the Fourth Proportional to 253,599.16, 349,986.54 and 140,432.44

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Solution

The fourth proportional to 253,599.16, 349,986.54 and 140,432.44 is: 193,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,599.16 : 349,986.54 = 140,432.44 : x
  2. Step 2: Convert to fraction form
    253,599.16/349,986.54 = 140,432.44/x
  3. Step 3: Cross multiply
    253,599.16x = 349,986.54 × 140,432.44
  4. Step 4: Simplify right side
    253,599.16x = 49,149,463,779.36
  5. Step 5: Solve for x
    x = 49,149,463,779.36/253,599.16
  6. Step 6: Final answer
    x = 193,807.68

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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.