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Finding the Fourth Proportional to 146,809.86, 202,588.01 and 86,368.82

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Solution

The fourth proportional to 146,809.86, 202,588.01 and 86,368.82 is: 119,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,809.86 : 202,588.01 = 86,368.82 : x
  2. Step 2: Convert to fraction form
    146,809.86/202,588.01 = 86,368.82/x
  3. Step 3: Cross multiply
    146,809.86x = 202,588.01 × 86,368.82
  4. Step 4: Simplify right side
    146,809.86x = 17,497,285,925.06
  5. Step 5: Solve for x
    x = 17,497,285,925.06/146,809.86
  6. Step 6: Final answer
    x = 119,183.32

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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.