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Finding the Fourth Proportional to 132,482.96, 182,866.50 and 90,066.10

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Solution

The fourth proportional to 132,482.96, 182,866.50 and 90,066.10 is: 124,318.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,482.96 : 182,866.50 = 90,066.10 : x
  2. Step 2: Convert to fraction form
    132,482.96/182,866.50 = 90,066.10/x
  3. Step 3: Cross multiply
    132,482.96x = 182,866.50 × 90,066.10
  4. Step 4: Simplify right side
    132,482.96x = 16,470,072,475.65
  5. Step 5: Solve for x
    x = 16,470,072,475.65/132,482.96
  6. Step 6: Final answer
    x = 124,318.42

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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.