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Finding the Fourth Proportional to 253,167.12, 349,411.52 and 145,714.34

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Solution

The fourth proportional to 253,167.12, 349,411.52 and 145,714.34 is: 201,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,167.12 : 349,411.52 = 145,714.34 : x
  2. Step 2: Convert to fraction form
    253,167.12/349,411.52 = 145,714.34/x
  3. Step 3: Cross multiply
    253,167.12x = 349,411.52 × 145,714.34
  4. Step 4: Simplify right side
    253,167.12x = 50,914,270,263.01
  5. Step 5: Solve for x
    x = 50,914,270,263.01/253,167.12
  6. Step 6: Final answer
    x = 201,109.33

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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.