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Finding the Fourth Proportional to 173,843.10, 260,764.65 and 55,518.30

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Solution

The fourth proportional to 173,843.10, 260,764.65 and 55,518.30 is: 83,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,843.10 : 260,764.65 = 55,518.30 : x
  2. Step 2: Convert to fraction form
    173,843.10/260,764.65 = 55,518.30/x
  3. Step 3: Cross multiply
    173,843.10x = 260,764.65 × 55,518.30
  4. Step 4: Simplify right side
    173,843.10x = 14,477,210,068.10
  5. Step 5: Solve for x
    x = 14,477,210,068.10/173,843.10
  6. Step 6: Final answer
    x = 83,277.45

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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.