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Finding the Fourth Proportional to 104,421, 144,100.98 and 59,717.64

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Solution

The fourth proportional to 104,421, 144,100.98 and 59,717.64 is: 82,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421 : 144,100.98 = 59,717.64 : x
  2. Step 2: Convert to fraction form
    104,421/144,100.98 = 59,717.64/x
  3. Step 3: Cross multiply
    104,421x = 144,100.98 × 59,717.64
  4. Step 4: Simplify right side
    104,421x = 8,605,370,447.29
  5. Step 5: Solve for x
    x = 8,605,370,447.29/104,421
  6. Step 6: Final answer
    x = 82,410.34

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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.