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Finding the Fourth Proportional to 374,145.48, 561,216.60 and 93,661.92

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Solution

The fourth proportional to 374,145.48, 561,216.60 and 93,661.92 is: 140,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,145.48 : 561,216.60 = 93,661.92 : x
  2. Step 2: Convert to fraction form
    374,145.48/561,216.60 = 93,661.92/x
  3. Step 3: Cross multiply
    374,145.48x = 561,216.60 × 93,661.92
  4. Step 4: Simplify right side
    374,145.48x = 52,564,624,291.87
  5. Step 5: Solve for x
    x = 52,564,624,291.87/374,145.48
  6. Step 6: Final answer
    x = 140,492.47

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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.