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Finding the Fourth Proportional to 104,482.77, 144,189.08 and 61,465.29

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Solution

The fourth proportional to 104,482.77, 144,189.08 and 61,465.29 is: 84,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,482.77 : 144,189.08 = 61,465.29 : x
  2. Step 2: Convert to fraction form
    104,482.77/144,189.08 = 61,465.29/x
  3. Step 3: Cross multiply
    104,482.77x = 144,189.08 × 61,465.29
  4. Step 4: Simplify right side
    104,482.77x = 8,862,623,617.03
  5. Step 5: Solve for x
    x = 8,862,623,617.03/104,482.77
  6. Step 6: Final answer
    x = 84,823.78

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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.