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Finding the Fourth Proportional to 104,070.77, 143,582.59 and 67,755.63

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Solution

The fourth proportional to 104,070.77, 143,582.59 and 67,755.63 is: 93,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,070.77 : 143,582.59 = 67,755.63 : x
  2. Step 2: Convert to fraction form
    104,070.77/143,582.59 = 67,755.63/x
  3. Step 3: Cross multiply
    104,070.77x = 143,582.59 × 67,755.63
  4. Step 4: Simplify right side
    104,070.77x = 9,728,528,842.48
  5. Step 5: Solve for x
    x = 9,728,528,842.48/104,070.77
  6. Step 6: Final answer
    x = 93,479.94

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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.