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Finding the Fourth Proportional to 108,632.70, 162,900.45 and 42,050.70

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Solution

The fourth proportional to 108,632.70, 162,900.45 and 42,050.70 is: 63,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,632.70 : 162,900.45 = 42,050.70 : x
  2. Step 2: Convert to fraction form
    108,632.70/162,900.45 = 42,050.70/x
  3. Step 3: Cross multiply
    108,632.70x = 162,900.45 × 42,050.70
  4. Step 4: Simplify right side
    108,632.70x = 6,850,077,952.82
  5. Step 5: Solve for x
    x = 6,850,077,952.82/108,632.70
  6. Step 6: Final answer
    x = 63,057.24

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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.