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Finding the Fourth Proportional to 162,303.80, 243,455.70 and 149,862.20

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Solution

The fourth proportional to 162,303.80, 243,455.70 and 149,862.20 is: 224,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,303.80 : 243,455.70 = 149,862.20 : x
  2. Step 2: Convert to fraction form
    162,303.80/243,455.70 = 149,862.20/x
  3. Step 3: Cross multiply
    162,303.80x = 243,455.70 × 149,862.20
  4. Step 4: Simplify right side
    162,303.80x = 36,484,806,804.54
  5. Step 5: Solve for x
    x = 36,484,806,804.54/162,303.80
  6. Step 6: Final answer
    x = 224,793.30

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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.