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Finding the Fourth Proportional to 252,562.76, 348,534.99 and 139,385.51

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Solution

The fourth proportional to 252,562.76, 348,534.99 and 139,385.51 is: 192,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,562.76 : 348,534.99 = 139,385.51 : x
  2. Step 2: Convert to fraction form
    252,562.76/348,534.99 = 139,385.51/x
  3. Step 3: Cross multiply
    252,562.76x = 348,534.99 × 139,385.51
  4. Step 4: Simplify right side
    252,562.76x = 48,580,727,333.99
  5. Step 5: Solve for x
    x = 48,580,727,333.99/252,562.76
  6. Step 6: Final answer
    x = 192,351.11

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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.