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Finding the Fourth Proportional to 124,605.81, 171,950.04 and 70,885.80

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Solution

The fourth proportional to 124,605.81, 171,950.04 and 70,885.80 is: 97,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,605.81 : 171,950.04 = 70,885.80 : x
  2. Step 2: Convert to fraction form
    124,605.81/171,950.04 = 70,885.80/x
  3. Step 3: Cross multiply
    124,605.81x = 171,950.04 × 70,885.80
  4. Step 4: Simplify right side
    124,605.81x = 12,188,816,145.43
  5. Step 5: Solve for x
    x = 12,188,816,145.43/124,605.81
  6. Step 6: Final answer
    x = 97,819.00

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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.