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Finding the Fourth Proportional to 147,226.10, 220,511.10 and 127,543.10

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Solution

The fourth proportional to 147,226.10, 220,511.10 and 127,543.10 is: 191,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,226.10 : 220,511.10 = 127,543.10 : x
  2. Step 2: Convert to fraction form
    147,226.10/220,511.10 = 127,543.10/x
  3. Step 3: Cross multiply
    147,226.10x = 220,511.10 × 127,543.10
  4. Step 4: Simplify right side
    147,226.10x = 28,124,669,278.41
  5. Step 5: Solve for x
    x = 28,124,669,278.41/147,226.10
  6. Step 6: Final answer
    x = 191,030.46

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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.