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Finding the Fourth Proportional to 162,534.80, 243,802.20 and 148,019.60

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Solution

The fourth proportional to 162,534.80, 243,802.20 and 148,019.60 is: 222,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,534.80 : 243,802.20 = 148,019.60 : x
  2. Step 2: Convert to fraction form
    162,534.80/243,802.20 = 148,019.60/x
  3. Step 3: Cross multiply
    162,534.80x = 243,802.20 × 148,019.60
  4. Step 4: Simplify right side
    162,534.80x = 36,087,504,123.12
  5. Step 5: Solve for x
    x = 36,087,504,123.12/162,534.80
  6. Step 6: Final answer
    x = 222,029.40

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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.