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Finding the Fourth Proportional to 253,291.92, 349,467.58 and 145,859.16

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Solution

The fourth proportional to 253,291.92, 349,467.58 and 145,859.16 is: 201,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,291.92 : 349,467.58 = 145,859.16 : x
  2. Step 2: Convert to fraction form
    253,291.92/349,467.58 = 145,859.16/x
  3. Step 3: Cross multiply
    253,291.92x = 349,467.58 × 145,859.16
  4. Step 4: Simplify right side
    253,291.92x = 50,973,047,666.03
  5. Step 5: Solve for x
    x = 50,973,047,666.03/253,291.92
  6. Step 6: Final answer
    x = 201,242.30

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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.