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Finding the Fourth Proportional to 104,059.95, 143,603.74 and 56,314.29

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Solution

The fourth proportional to 104,059.95, 143,603.74 and 56,314.29 is: 77,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,059.95 : 143,603.74 = 56,314.29 : x
  2. Step 2: Convert to fraction form
    104,059.95/143,603.74 = 56,314.29/x
  3. Step 3: Cross multiply
    104,059.95x = 143,603.74 × 56,314.29
  4. Step 4: Simplify right side
    104,059.95x = 8,086,941,659.85
  5. Step 5: Solve for x
    x = 8,086,941,659.85/104,059.95
  6. Step 6: Final answer
    x = 77,714.26

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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.