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Finding the Fourth Proportional to 335,159.30, 502,455.72 and 145,476.20

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Solution

The fourth proportional to 335,159.30, 502,455.72 and 145,476.20 is: 218,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,159.30 : 502,455.72 = 145,476.20 : x
  2. Step 2: Convert to fraction form
    335,159.30/502,455.72 = 145,476.20/x
  3. Step 3: Cross multiply
    335,159.30x = 502,455.72 × 145,476.20
  4. Step 4: Simplify right side
    335,159.30x = 73,095,348,813.86
  5. Step 5: Solve for x
    x = 73,095,348,813.86/335,159.30
  6. Step 6: Final answer
    x = 218,091.36

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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.