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Finding the Fourth Proportional to 106,689.56, 147,234.51 and 58,945.93

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Solution

The fourth proportional to 106,689.56, 147,234.51 and 58,945.93 is: 81,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,689.56 : 147,234.51 = 58,945.93 : x
  2. Step 2: Convert to fraction form
    106,689.56/147,234.51 = 58,945.93/x
  3. Step 3: Cross multiply
    106,689.56x = 147,234.51 × 58,945.93
  4. Step 4: Simplify right side
    106,689.56x = 8,678,874,751.96
  5. Step 5: Solve for x
    x = 8,678,874,751.96/106,689.56
  6. Step 6: Final answer
    x = 81,347.00

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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.