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Finding the Fourth Proportional to 228,039.91, 314,700.90 and 126,066.93

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Solution

The fourth proportional to 228,039.91, 314,700.90 and 126,066.93 is: 173,975.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,039.91 : 314,700.90 = 126,066.93 : x
  2. Step 2: Convert to fraction form
    228,039.91/314,700.90 = 126,066.93/x
  3. Step 3: Cross multiply
    228,039.91x = 314,700.90 × 126,066.93
  4. Step 4: Simplify right side
    228,039.91x = 39,673,376,448.55
  5. Step 5: Solve for x
    x = 39,673,376,448.55/228,039.91
  6. Step 6: Final answer
    x = 173,975.59

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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.