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Finding the Fourth Proportional to 173,443.60, 260,172.60 and 55,111.60

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Solution

The fourth proportional to 173,443.60, 260,172.60 and 55,111.60 is: 82,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,443.60 : 260,172.60 = 55,111.60 : x
  2. Step 2: Convert to fraction form
    173,443.60/260,172.60 = 55,111.60/x
  3. Step 3: Cross multiply
    173,443.60x = 260,172.60 × 55,111.60
  4. Step 4: Simplify right side
    173,443.60x = 14,338,528,262.16
  5. Step 5: Solve for x
    x = 14,338,528,262.16/173,443.60
  6. Step 6: Final answer
    x = 82,669.69

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1.5x scale

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.