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Finding the Fourth Proportional to 171,457.85, 236,615.34 and 102,618.48

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Solution

The fourth proportional to 171,457.85, 236,615.34 and 102,618.48 is: 141,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,457.85 : 236,615.34 = 102,618.48 : x
  2. Step 2: Convert to fraction form
    171,457.85/236,615.34 = 102,618.48/x
  3. Step 3: Cross multiply
    171,457.85x = 236,615.34 × 102,618.48
  4. Step 4: Simplify right side
    171,457.85x = 24,281,106,535.48
  5. Step 5: Solve for x
    x = 24,281,106,535.48/171,457.85
  6. Step 6: Final answer
    x = 141,615.60

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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.