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Finding the Fourth Proportional to 202,662.48, 304,055.24 and 143,612.40

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Solution

The fourth proportional to 202,662.48, 304,055.24 and 143,612.40 is: 215,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,662.48 : 304,055.24 = 143,612.40 : x
  2. Step 2: Convert to fraction form
    202,662.48/304,055.24 = 143,612.40/x
  3. Step 3: Cross multiply
    202,662.48x = 304,055.24 × 143,612.40
  4. Step 4: Simplify right side
    202,662.48x = 43,666,102,748.98
  5. Step 5: Solve for x
    x = 43,666,102,748.98/202,662.48
  6. Step 6: Final answer
    x = 215,462.19

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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.