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Finding the Fourth Proportional to 252,226.69, 348,075.53 and 139,053.49

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Solution

The fourth proportional to 252,226.69, 348,075.53 and 139,053.49 is: 191,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,226.69 : 348,075.53 = 139,053.49 : x
  2. Step 2: Convert to fraction form
    252,226.69/348,075.53 = 139,053.49/x
  3. Step 3: Cross multiply
    252,226.69x = 348,075.53 × 139,053.49
  4. Step 4: Simplify right side
    252,226.69x = 48,401,117,230.10
  5. Step 5: Solve for x
    x = 48,401,117,230.10/252,226.69
  6. Step 6: Final answer
    x = 191,895.30

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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.