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Finding the Fourth Proportional to 146,666.48, 202,399.56 and 79,598.48

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Solution

The fourth proportional to 146,666.48, 202,399.56 and 79,598.48 is: 109,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,666.48 : 202,399.56 = 79,598.48 : x
  2. Step 2: Convert to fraction form
    146,666.48/202,399.56 = 79,598.48/x
  3. Step 3: Cross multiply
    146,666.48x = 202,399.56 × 79,598.48
  4. Step 4: Simplify right side
    146,666.48x = 16,110,696,316.67
  5. Step 5: Solve for x
    x = 16,110,696,316.67/146,666.48
  6. Step 6: Final answer
    x = 109,845.80

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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.