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Finding the Fourth Proportional to 228,045.69, 314,700.90 and 126,073.77

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Solution

The fourth proportional to 228,045.69, 314,700.90 and 126,073.77 is: 173,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,045.69 : 314,700.90 = 126,073.77 : x
  2. Step 2: Convert to fraction form
    228,045.69/314,700.90 = 126,073.77/x
  3. Step 3: Cross multiply
    228,045.69x = 314,700.90 × 126,073.77
  4. Step 4: Simplify right side
    228,045.69x = 39,675,528,885.39
  5. Step 5: Solve for x
    x = 39,675,528,885.39/228,045.69
  6. Step 6: Final answer
    x = 173,980.61

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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.