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Finding the Fourth Proportional to 210,627.99, 316,066.68 and 77,601.92

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Solution

The fourth proportional to 210,627.99, 316,066.68 and 77,601.92 is: 116,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,627.99 : 316,066.68 = 77,601.92 : x
  2. Step 2: Convert to fraction form
    210,627.99/316,066.68 = 77,601.92/x
  3. Step 3: Cross multiply
    210,627.99x = 316,066.68 × 77,601.92
  4. Step 4: Simplify right side
    210,627.99x = 24,527,379,635.69
  5. Step 5: Solve for x
    x = 24,527,379,635.69/210,627.99
  6. Step 6: Final answer
    x = 116,448.81

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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.