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Finding the Fourth Proportional to 104,697.32, 144,483.42 and 56,950.79

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Solution

The fourth proportional to 104,697.32, 144,483.42 and 56,950.79 is: 78,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,697.32 : 144,483.42 = 56,950.79 : x
  2. Step 2: Convert to fraction form
    104,697.32/144,483.42 = 56,950.79/x
  3. Step 3: Cross multiply
    104,697.32x = 144,483.42 × 56,950.79
  4. Step 4: Simplify right side
    104,697.32x = 8,228,444,188.48
  5. Step 5: Solve for x
    x = 8,228,444,188.48/104,697.32
  6. Step 6: Final answer
    x = 78,592.70

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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.