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Finding the Fourth Proportional to 313,029.66, 469,572.60 and 88,392.36

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Solution

The fourth proportional to 313,029.66, 469,572.60 and 88,392.36 is: 132,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,029.66 : 469,572.60 = 88,392.36 : x
  2. Step 2: Convert to fraction form
    313,029.66/469,572.60 = 88,392.36/x
  3. Step 3: Cross multiply
    313,029.66x = 469,572.60 × 88,392.36
  4. Step 4: Simplify right side
    313,029.66x = 41,506,630,305.34
  5. Step 5: Solve for x
    x = 41,506,630,305.34/313,029.66
  6. Step 6: Final answer
    x = 132,596.48

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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.