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Finding the Fourth Proportional to 107,751.96, 148,657.50 and 107,585.82

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Solution

The fourth proportional to 107,751.96, 148,657.50 and 107,585.82 is: 148,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,751.96 : 148,657.50 = 107,585.82 : x
  2. Step 2: Convert to fraction form
    107,751.96/148,657.50 = 107,585.82/x
  3. Step 3: Cross multiply
    107,751.96x = 148,657.50 × 107,585.82
  4. Step 4: Simplify right side
    107,751.96x = 15,993,439,036.65
  5. Step 5: Solve for x
    x = 15,993,439,036.65/107,751.96
  6. Step 6: Final answer
    x = 148,428.29

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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.