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Finding the Fourth Proportional to 104,125.58, 143,585.89 and 89,068.08

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Solution

The fourth proportional to 104,125.58, 143,585.89 and 89,068.08 is: 122,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,125.58 : 143,585.89 = 89,068.08 : x
  2. Step 2: Convert to fraction form
    104,125.58/143,585.89 = 89,068.08/x
  3. Step 3: Cross multiply
    104,125.58x = 143,585.89 × 89,068.08
  4. Step 4: Simplify right side
    104,125.58x = 12,788,919,092.05
  5. Step 5: Solve for x
    x = 12,788,919,092.05/104,125.58
  6. Step 6: Final answer
    x = 122,822.07

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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.