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Finding the Fourth Proportional to 173,881.40, 260,822.10 and 55,564.70

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Solution

The fourth proportional to 173,881.40, 260,822.10 and 55,564.70 is: 83,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,881.40 : 260,822.10 = 55,564.70 : x
  2. Step 2: Convert to fraction form
    173,881.40/260,822.10 = 55,564.70/x
  3. Step 3: Cross multiply
    173,881.40x = 260,822.10 × 55,564.70
  4. Step 4: Simplify right side
    173,881.40x = 14,492,501,739.87
  5. Step 5: Solve for x
    x = 14,492,501,739.87/173,881.40
  6. Step 6: Final answer
    x = 83,347.05

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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.