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Finding the Fourth Proportional to 124,842, 187,287.71 and 40,596.74

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Solution

The fourth proportional to 124,842, 187,287.71 and 40,596.74 is: 60,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,842 : 187,287.71 = 40,596.74 : x
  2. Step 2: Convert to fraction form
    124,842/187,287.71 = 40,596.74/x
  3. Step 3: Cross multiply
    124,842x = 187,287.71 × 40,596.74
  4. Step 4: Simplify right side
    124,842x = 7,603,269,328.64
  5. Step 5: Solve for x
    x = 7,603,269,328.64/124,842
  6. Step 6: Final answer
    x = 60,903.14

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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.