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Finding the Fourth Proportional to 245,152.96, 338,347.68 and 149,714.56

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Solution

The fourth proportional to 245,152.96, 338,347.68 and 149,714.56 is: 206,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,152.96 : 338,347.68 = 149,714.56 : x
  2. Step 2: Convert to fraction form
    245,152.96/338,347.68 = 149,714.56/x
  3. Step 3: Cross multiply
    245,152.96x = 338,347.68 × 149,714.56
  4. Step 4: Simplify right side
    245,152.96x = 50,655,574,038.22
  5. Step 5: Solve for x
    x = 50,655,574,038.22/245,152.96
  6. Step 6: Final answer
    x = 206,628.44

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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.