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Finding the Fourth Proportional to 318,119.04, 477,166.02 and 107,756.94

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Solution

The fourth proportional to 318,119.04, 477,166.02 and 107,756.94 is: 161,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,119.04 : 477,166.02 = 107,756.94 : x
  2. Step 2: Convert to fraction form
    318,119.04/477,166.02 = 107,756.94/x
  3. Step 3: Cross multiply
    318,119.04x = 477,166.02 × 107,756.94
  4. Step 4: Simplify right side
    318,119.04x = 51,417,950,187.18
  5. Step 5: Solve for x
    x = 51,417,950,187.18/318,119.04
  6. Step 6: Final answer
    x = 161,631.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.