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Finding the Fourth Proportional to 147,362.13, 221,086.32 and 47,520.32

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Solution

The fourth proportional to 147,362.13, 221,086.32 and 47,520.32 is: 71,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,362.13 : 221,086.32 = 47,520.32 : x
  2. Step 2: Convert to fraction form
    147,362.13/221,086.32 = 47,520.32/x
  3. Step 3: Cross multiply
    147,362.13x = 221,086.32 × 47,520.32
  4. Step 4: Simplify right side
    147,362.13x = 10,506,091,568.59
  5. Step 5: Solve for x
    x = 10,506,091,568.59/147,362.13
  6. Step 6: Final answer
    x = 71,294.38

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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.