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Finding the Fourth Proportional to 252,203.96, 348,041.34 and 139,028.60

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Solution

The fourth proportional to 252,203.96, 348,041.34 and 139,028.60 is: 191,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,203.96 : 348,041.34 = 139,028.60 : x
  2. Step 2: Convert to fraction form
    252,203.96/348,041.34 = 139,028.60/x
  3. Step 3: Cross multiply
    252,203.96x = 348,041.34 × 139,028.60
  4. Step 4: Simplify right side
    252,203.96x = 48,387,700,242.32
  5. Step 5: Solve for x
    x = 48,387,700,242.32/252,203.96
  6. Step 6: Final answer
    x = 191,859.40

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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.