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Finding the Fourth Proportional to 124,507.80, 186,705.54 and 35,741.16

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Solution

The fourth proportional to 124,507.80, 186,705.54 and 35,741.16 is: 53,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,507.80 : 186,705.54 = 35,741.16 : x
  2. Step 2: Convert to fraction form
    124,507.80/186,705.54 = 35,741.16/x
  3. Step 3: Cross multiply
    124,507.80x = 186,705.54 × 35,741.16
  4. Step 4: Simplify right side
    124,507.80x = 6,673,072,578.03
  5. Step 5: Solve for x
    x = 6,673,072,578.03/124,507.80
  6. Step 6: Final answer
    x = 53,595.62

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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.