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Finding the Fourth Proportional to 253,653.48, 350,051.34 and 144,775.50

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Solution

The fourth proportional to 253,653.48, 350,051.34 and 144,775.50 is: 199,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,653.48 : 350,051.34 = 144,775.50 : x
  2. Step 2: Convert to fraction form
    253,653.48/350,051.34 = 144,775.50/x
  3. Step 3: Cross multiply
    253,653.48x = 350,051.34 × 144,775.50
  4. Step 4: Simplify right side
    253,653.48x = 50,678,857,774.17
  5. Step 5: Solve for x
    x = 50,678,857,774.17/253,653.48
  6. Step 6: Final answer
    x = 199,795.63

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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.