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Finding the Fourth Proportional to 173,603.58, 259,984.80 and 120,145.74

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Solution

The fourth proportional to 173,603.58, 259,984.80 and 120,145.74 is: 179,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,603.58 : 259,984.80 = 120,145.74 : x
  2. Step 2: Convert to fraction form
    173,603.58/259,984.80 = 120,145.74/x
  3. Step 3: Cross multiply
    173,603.58x = 259,984.80 × 120,145.74
  4. Step 4: Simplify right side
    173,603.58x = 31,236,066,184.75
  5. Step 5: Solve for x
    x = 31,236,066,184.75/173,603.58
  6. Step 6: Final answer
    x = 179,927.55

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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.