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Finding the Fourth Proportional to 175,503.66, 263,254.82 and 42,383.72

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Solution

The fourth proportional to 175,503.66, 263,254.82 and 42,383.72 is: 63,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,503.66 : 263,254.82 = 42,383.72 : x
  2. Step 2: Convert to fraction form
    175,503.66/263,254.82 = 42,383.72/x
  3. Step 3: Cross multiply
    175,503.66x = 263,254.82 × 42,383.72
  4. Step 4: Simplify right side
    175,503.66x = 11,157,717,051.34
  5. Step 5: Solve for x
    x = 11,157,717,051.34/175,503.66
  6. Step 6: Final answer
    x = 63,575.41

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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.