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Finding the Fourth Proportional to 104,108.99, 143,670.47 and 56,362.32

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Solution

The fourth proportional to 104,108.99, 143,670.47 and 56,362.32 is: 77,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.99 : 143,670.47 = 56,362.32 : x
  2. Step 2: Convert to fraction form
    104,108.99/143,670.47 = 56,362.32/x
  3. Step 3: Cross multiply
    104,108.99x = 143,670.47 × 56,362.32
  4. Step 4: Simplify right side
    104,108.99x = 8,097,600,722.88
  5. Step 5: Solve for x
    x = 8,097,600,722.88/104,108.99
  6. Step 6: Final answer
    x = 77,780.04

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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.