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Finding the Fourth Proportional to 104,354.82, 144,009.64 and 59,031.83

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Solution

The fourth proportional to 104,354.82, 144,009.64 and 59,031.83 is: 81,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,354.82 : 144,009.64 = 59,031.83 : x
  2. Step 2: Convert to fraction form
    104,354.82/144,009.64 = 59,031.83/x
  3. Step 3: Cross multiply
    104,354.82x = 144,009.64 × 59,031.83
  4. Step 4: Simplify right side
    104,354.82x = 8,501,152,586.84
  5. Step 5: Solve for x
    x = 8,501,152,586.84/104,354.82
  6. Step 6: Final answer
    x = 81,463.92

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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.