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Finding the Fourth Proportional to 173,655.60, 260,490.60 and 55,323.60

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Solution

The fourth proportional to 173,655.60, 260,490.60 and 55,323.60 is: 82,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,655.60 : 260,490.60 = 55,323.60 : x
  2. Step 2: Convert to fraction form
    173,655.60/260,490.60 = 55,323.60/x
  3. Step 3: Cross multiply
    173,655.60x = 260,490.60 × 55,323.60
  4. Step 4: Simplify right side
    173,655.60x = 14,411,277,758.16
  5. Step 5: Solve for x
    x = 14,411,277,758.16/173,655.60
  6. Step 6: Final answer
    x = 82,987.69

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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.