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Finding the Fourth Proportional to 173,123.20, 259,472.90 and 98,305.93

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Solution

The fourth proportional to 173,123.20, 259,472.90 and 98,305.93 is: 147,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,123.20 : 259,472.90 = 98,305.93 : x
  2. Step 2: Convert to fraction form
    173,123.20/259,472.90 = 98,305.93/x
  3. Step 3: Cross multiply
    173,123.20x = 259,472.90 × 98,305.93
  4. Step 4: Simplify right side
    173,123.20x = 25,507,724,341.38
  5. Step 5: Solve for x
    x = 25,507,724,341.38/173,123.20
  6. Step 6: Final answer
    x = 147,338.57

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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.