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Finding the Fourth Proportional to 231,202.13, 346,803.19 and 64,990.13

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Solution

The fourth proportional to 231,202.13, 346,803.19 and 64,990.13 is: 97,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,202.13 : 346,803.19 = 64,990.13 : x
  2. Step 2: Convert to fraction form
    231,202.13/346,803.19 = 64,990.13/x
  3. Step 3: Cross multiply
    231,202.13x = 346,803.19 × 64,990.13
  4. Step 4: Simplify right side
    231,202.13x = 22,538,784,402.51
  5. Step 5: Solve for x
    x = 22,538,784,402.51/231,202.13
  6. Step 6: Final answer
    x = 97,485.19

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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.