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Finding the Fourth Proportional to 147,329.25, 220,999.35 and 47,490.89

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Solution

The fourth proportional to 147,329.25, 220,999.35 and 47,490.89 is: 71,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,329.25 : 220,999.35 = 47,490.89 : x
  2. Step 2: Convert to fraction form
    147,329.25/220,999.35 = 47,490.89/x
  3. Step 3: Cross multiply
    147,329.25x = 220,999.35 × 47,490.89
  4. Step 4: Simplify right side
    147,329.25x = 10,495,454,715.92
  5. Step 5: Solve for x
    x = 10,495,454,715.92/147,329.25
  6. Step 6: Final answer
    x = 71,238.09

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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.