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Finding the Fourth Proportional to 253,814.34, 350,263.52 and 140,637.10

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Solution

The fourth proportional to 253,814.34, 350,263.52 and 140,637.10 is: 194,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,814.34 : 350,263.52 = 140,637.10 : x
  2. Step 2: Convert to fraction form
    253,814.34/350,263.52 = 140,637.10/x
  3. Step 3: Cross multiply
    253,814.34x = 350,263.52 × 140,637.10
  4. Step 4: Simplify right side
    253,814.34x = 49,260,045,688.59
  5. Step 5: Solve for x
    x = 49,260,045,688.59/253,814.34
  6. Step 6: Final answer
    x = 194,079.05

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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.