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Finding the Fourth Proportional to 147,881.20, 221,994.60 and 146,844.40

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Solution

The fourth proportional to 147,881.20, 221,994.60 and 146,844.40 is: 220,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,881.20 : 221,994.60 = 146,844.40 : x
  2. Step 2: Convert to fraction form
    147,881.20/221,994.60 = 146,844.40/x
  3. Step 3: Cross multiply
    147,881.20x = 221,994.60 × 146,844.40
  4. Step 4: Simplify right side
    147,881.20x = 32,598,663,840.24
  5. Step 5: Solve for x
    x = 32,598,663,840.24/147,881.20
  6. Step 6: Final answer
    x = 220,438.19

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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.