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Finding the Fourth Proportional to 67,698.17, 101,502.98 and 63,980.81

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Solution

The fourth proportional to 67,698.17, 101,502.98 and 63,980.81 is: 95,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,698.17 : 101,502.98 = 63,980.81 : x
  2. Step 2: Convert to fraction form
    67,698.17/101,502.98 = 63,980.81/x
  3. Step 3: Cross multiply
    67,698.17x = 101,502.98 × 63,980.81
  4. Step 4: Simplify right side
    67,698.17x = 6,494,242,557.91
  5. Step 5: Solve for x
    x = 6,494,242,557.91/67,698.17
  6. Step 6: Final answer
    x = 95,929.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.