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Finding the Fourth Proportional to 105,070.65, 144,997.74 and 59,747.51

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Solution

The fourth proportional to 105,070.65, 144,997.74 and 59,747.51 is: 82,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,070.65 : 144,997.74 = 59,747.51 : x
  2. Step 2: Convert to fraction form
    105,070.65/144,997.74 = 59,747.51/x
  3. Step 3: Cross multiply
    105,070.65x = 144,997.74 × 59,747.51
  4. Step 4: Simplify right side
    105,070.65x = 8,663,253,195.64
  5. Step 5: Solve for x
    x = 8,663,253,195.64/105,070.65
  6. Step 6: Final answer
    x = 82,451.70

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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.