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Finding the Fourth Proportional to 253,596.61, 349,959.04 and 140,416.93

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Solution

The fourth proportional to 253,596.61, 349,959.04 and 140,416.93 is: 193,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,596.61 : 349,959.04 = 140,416.93 : x
  2. Step 2: Convert to fraction form
    253,596.61/349,959.04 = 140,416.93/x
  3. Step 3: Cross multiply
    253,596.61x = 349,959.04 × 140,416.93
  4. Step 4: Simplify right side
    253,596.61x = 49,140,174,022.55
  5. Step 5: Solve for x
    x = 49,140,174,022.55/253,596.61
  6. Step 6: Final answer
    x = 193,772.99

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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.