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Finding the Fourth Proportional to 252,987.51, 349,171.50 and 162,457.86

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Solution

The fourth proportional to 252,987.51, 349,171.50 and 162,457.86 is: 224,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,987.51 : 349,171.50 = 162,457.86 : x
  2. Step 2: Convert to fraction form
    252,987.51/349,171.50 = 162,457.86/x
  3. Step 3: Cross multiply
    252,987.51x = 349,171.50 × 162,457.86
  4. Step 4: Simplify right side
    252,987.51x = 56,725,654,662.99
  5. Step 5: Solve for x
    x = 56,725,654,662.99/252,987.51
  6. Step 6: Final answer
    x = 224,223.14

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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.