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Finding the Fourth Proportional to 230,755.04, 318,470.94 and 133,938.06

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Solution

The fourth proportional to 230,755.04, 318,470.94 and 133,938.06 is: 184,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,755.04 : 318,470.94 = 133,938.06 : x
  2. Step 2: Convert to fraction form
    230,755.04/318,470.94 = 133,938.06/x
  3. Step 3: Cross multiply
    230,755.04x = 318,470.94 × 133,938.06
  4. Step 4: Simplify right side
    230,755.04x = 42,655,379,869.98
  5. Step 5: Solve for x
    x = 42,655,379,869.98/230,755.04
  6. Step 6: Final answer
    x = 184,851.35

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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.