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Finding the Fourth Proportional to 173,619.60, 260,429.40 and 55,302.90

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Solution

The fourth proportional to 173,619.60, 260,429.40 and 55,302.90 is: 82,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,619.60 : 260,429.40 = 55,302.90 : x
  2. Step 2: Convert to fraction form
    173,619.60/260,429.40 = 55,302.90/x
  3. Step 3: Cross multiply
    173,619.60x = 260,429.40 × 55,302.90
  4. Step 4: Simplify right side
    173,619.60x = 14,402,501,065.26
  5. Step 5: Solve for x
    x = 14,402,501,065.26/173,619.60
  6. Step 6: Final answer
    x = 82,954.35

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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.