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Finding the Fourth Proportional to 176,530.88, 243,611.62 and 100,064.44

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Solution

The fourth proportional to 176,530.88, 243,611.62 and 100,064.44 is: 138,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,530.88 : 243,611.62 = 100,064.44 : x
  2. Step 2: Convert to fraction form
    176,530.88/243,611.62 = 100,064.44/x
  3. Step 3: Cross multiply
    176,530.88x = 243,611.62 × 100,064.44
  4. Step 4: Simplify right side
    176,530.88x = 24,376,860,332.79
  5. Step 5: Solve for x
    x = 24,376,860,332.79/176,530.88
  6. Step 6: Final answer
    x = 138,088.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.