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Finding the Fourth Proportional to 107,537.79, 161,303.04 and 40,975.53

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Solution

The fourth proportional to 107,537.79, 161,303.04 and 40,975.53 is: 61,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,537.79 : 161,303.04 = 40,975.53 : x
  2. Step 2: Convert to fraction form
    107,537.79/161,303.04 = 40,975.53/x
  3. Step 3: Cross multiply
    107,537.79x = 161,303.04 × 40,975.53
  4. Step 4: Simplify right side
    107,537.79x = 6,609,477,554.61
  5. Step 5: Solve for x
    x = 6,609,477,554.61/107,537.79
  6. Step 6: Final answer
    x = 61,461.91

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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.