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Finding the Fourth Proportional to 173,782.77, 260,678.73 and 55,454.00

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Solution

The fourth proportional to 173,782.77, 260,678.73 and 55,454.00 is: 83,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,782.77 : 260,678.73 = 55,454.00 : x
  2. Step 2: Convert to fraction form
    173,782.77/260,678.73 = 55,454.00/x
  3. Step 3: Cross multiply
    173,782.77x = 260,678.73 × 55,454.00
  4. Step 4: Simplify right side
    173,782.77x = 14,455,676,990.03
  5. Step 5: Solve for x
    x = 14,455,676,990.03/173,782.77
  6. Step 6: Final answer
    x = 83,182.45

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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.