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Finding the Fourth Proportional to 105,775.70, 158,663.55 and 101,110.10

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Solution

The fourth proportional to 105,775.70, 158,663.55 and 101,110.10 is: 151,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,775.70 : 158,663.55 = 101,110.10 : x
  2. Step 2: Convert to fraction form
    105,775.70/158,663.55 = 101,110.10/x
  3. Step 3: Cross multiply
    105,775.70x = 158,663.55 × 101,110.10
  4. Step 4: Simplify right side
    105,775.70x = 16,042,487,406.86
  5. Step 5: Solve for x
    x = 16,042,487,406.86/105,775.70
  6. Step 6: Final answer
    x = 151,665.15

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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.