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Finding the Fourth Proportional to 147,263.70, 220,903.23 and 42,098.58

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Solution

The fourth proportional to 147,263.70, 220,903.23 and 42,098.58 is: 63,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,263.70 : 220,903.23 = 42,098.58 : x
  2. Step 2: Convert to fraction form
    147,263.70/220,903.23 = 42,098.58/x
  3. Step 3: Cross multiply
    147,263.70x = 220,903.23 × 42,098.58
  4. Step 4: Simplify right side
    147,263.70x = 9,299,712,300.41
  5. Step 5: Solve for x
    x = 9,299,712,300.41/147,263.70
  6. Step 6: Final answer
    x = 63,150.07

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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.