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Finding the Fourth Proportional to 146,803.90, 202,590.40 and 79,735.90

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Solution

The fourth proportional to 146,803.90, 202,590.40 and 79,735.90 is: 110,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,803.90 : 202,590.40 = 79,735.90 : x
  2. Step 2: Convert to fraction form
    146,803.90/202,590.40 = 79,735.90/x
  3. Step 3: Cross multiply
    146,803.90x = 202,590.40 × 79,735.90
  4. Step 4: Simplify right side
    146,803.90x = 16,153,727,875.36
  5. Step 5: Solve for x
    x = 16,153,727,875.36/146,803.90
  6. Step 6: Final answer
    x = 110,036.09

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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.