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Finding the Fourth Proportional to 266,427.52, 399,798.90 and 98,066.08

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Solution

The fourth proportional to 266,427.52, 399,798.90 and 98,066.08 is: 147,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,427.52 : 399,798.90 = 98,066.08 : x
  2. Step 2: Convert to fraction form
    266,427.52/399,798.90 = 98,066.08/x
  3. Step 3: Cross multiply
    266,427.52x = 399,798.90 × 98,066.08
  4. Step 4: Simplify right side
    266,427.52x = 39,206,710,911.31
  5. Step 5: Solve for x
    x = 39,206,710,911.31/266,427.52
  6. Step 6: Final answer
    x = 147,157.14

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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.