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Finding the Fourth Proportional to 104,108.88, 143,670.99 and 56,362.35

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Solution

The fourth proportional to 104,108.88, 143,670.99 and 56,362.35 is: 77,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.88 : 143,670.99 = 56,362.35 : x
  2. Step 2: Convert to fraction form
    104,108.88/143,670.99 = 56,362.35/x
  3. Step 3: Cross multiply
    104,108.88x = 143,670.99 × 56,362.35
  4. Step 4: Simplify right side
    104,108.88x = 8,097,634,623.23
  5. Step 5: Solve for x
    x = 8,097,634,623.23/104,108.88
  6. Step 6: Final answer
    x = 77,780.44

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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.