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Finding the Fourth Proportional to 104,150.50, 143,730.30 and 63,886.46

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Solution

The fourth proportional to 104,150.50, 143,730.30 and 63,886.46 is: 88,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,150.50 : 143,730.30 = 63,886.46 : x
  2. Step 2: Convert to fraction form
    104,150.50/143,730.30 = 63,886.46/x
  3. Step 3: Cross multiply
    104,150.50x = 143,730.30 × 63,886.46
  4. Step 4: Simplify right side
    104,150.50x = 9,182,420,061.74
  5. Step 5: Solve for x
    x = 9,182,420,061.74/104,150.50
  6. Step 6: Final answer
    x = 88,164.92

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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.