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Finding the Fourth Proportional to 104,675.66, 144,449.32 and 59,357.78

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Solution

The fourth proportional to 104,675.66, 144,449.32 and 59,357.78 is: 81,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,675.66 : 144,449.32 = 59,357.78 : x
  2. Step 2: Convert to fraction form
    104,675.66/144,449.32 = 59,357.78/x
  3. Step 3: Cross multiply
    104,675.66x = 144,449.32 × 59,357.78
  4. Step 4: Simplify right side
    104,675.66x = 8,574,190,957.71
  5. Step 5: Solve for x
    x = 8,574,190,957.71/104,675.66
  6. Step 6: Final answer
    x = 81,911.98

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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.