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Finding the Fourth Proportional to 162,343.95, 223,889.61 and 101,920.22

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Solution

The fourth proportional to 162,343.95, 223,889.61 and 101,920.22 is: 140,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,343.95 : 223,889.61 = 101,920.22 : x
  2. Step 2: Convert to fraction form
    162,343.95/223,889.61 = 101,920.22/x
  3. Step 3: Cross multiply
    162,343.95x = 223,889.61 × 101,920.22
  4. Step 4: Simplify right side
    162,343.95x = 22,818,878,952.01
  5. Step 5: Solve for x
    x = 22,818,878,952.01/162,343.95
  6. Step 6: Final answer
    x = 140,558.85

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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.