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Finding the Fourth Proportional to 124,459.93, 186,669.37 and 53,394.04

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Solution

The fourth proportional to 124,459.93, 186,669.37 and 53,394.04 is: 80,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,459.93 : 186,669.37 = 53,394.04 : x
  2. Step 2: Convert to fraction form
    124,459.93/186,669.37 = 53,394.04/x
  3. Step 3: Cross multiply
    124,459.93x = 186,669.37 × 53,394.04
  4. Step 4: Simplify right side
    124,459.93x = 9,967,031,808.55
  5. Step 5: Solve for x
    x = 9,967,031,808.55/124,459.93
  6. Step 6: Final answer
    x = 80,082.25

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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.