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Finding the Fourth Proportional to 253,633.60, 350,005.08 and 146,208.16

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Solution

The fourth proportional to 253,633.60, 350,005.08 and 146,208.16 is: 201,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,633.60 : 350,005.08 = 146,208.16 : x
  2. Step 2: Convert to fraction form
    253,633.60/350,005.08 = 146,208.16/x
  3. Step 3: Cross multiply
    253,633.60x = 350,005.08 × 146,208.16
  4. Step 4: Simplify right side
    253,633.60x = 51,173,598,737.45
  5. Step 5: Solve for x
    x = 51,173,598,737.45/253,633.60
  6. Step 6: Final answer
    x = 201,761.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.